Answer:
it's not easy to destroy plastics if we use nonrenewable plastics u will have to throw them and they will become poison to the insets
High population densities in urban areas have advantages and disadvantages. List as many of each as you can and defend your conclusion. How could the disadvantages be eliminated or reduced? Use evidence to support your conclusion.
Answer:
A larger population density will help reduce the average costs of the transport network. Areas of high population density have not seen the food shortages because of improved yields from agriculture and the ability to trade food. Economic growth will be comparatively more than low density area.
major arteries of the brain
The main arteries of the brain are the vertebral and basilar arteries.
What are the main arteries of the brain?The vertebral and basilar arteries supply the
brainstemcerebellumposterior cerebral cortexand medial temporal lobe.The posterior cerebral arteries bifurcate from the basilar artery to supply the medial temporal (including the hippocampus) and occipital lobes, thalamus, and mammillary and geniculate bodies.
With this information, we can conclude that the main arteries of the brain are the vertebral and basilar arteries.
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Which statements describe how traits are inherited? Check all that apply.
An offspring always receives different alleles from each parent.
An offspring always receives the same alleles from each parent.
An offspring can receive different alleles or the same alleles from each parent.
Traits are inherited when proteins are passed from parents to offspring.
Traits are inherited when genes are passed from parents to offspring.
00
The statements describe how traits are inherited are:
Traits are inherited when genes are passed from parents to offspring.An offspring can receive different alleles or the same alleles from each parent.What are traits?Dominant traits are always expressed when the connected allele is dominant, even if only one copy exists.
Recessive traits are expressed only if both the connected alleles are recessive.
Polygenetic traits are basically the traits that are controlled by two or more genes.
Thus, option "3 and 5" is correct.
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Which statement best represents how an organism maintains homeostasis?
A)Offspring inherit traits from their parents.
B)Desert pack rats are active at night to conserve water.
C)Female barn swallows mate with long-tailed males.
D)Young eagles have different kinds of feathers than adult hawks.
The answer is B ! Hope that helps...
An Rh negative mother has just given birth to an Rh positive baby after 18 hours of strenuous labor. Her rosette test was positive. Upon performing the Kleihauer-Betke stain procedure, the percentage of fetal cells is found to be 1.9%. The mother's total blood volume is 5,000 mL. What dose of Rh Ig (RhoGam) should be administered to the mother
The mother should have 4 vials of Rh Ig administered.
How to calculate the value?Rh immune globulin is used to help prevent an Rh-negative mother from becoming sensitized to the D antigen from an Rh-positive baby.
To calculate how many vials are needed, the following formula can be employed:
KB% x blood volume = volume of baby blood
In this case: 1.9% x 5,000mL = 95 mL baby blood in maternal circulation
95mL / 30 mL per Rh Ig vial = 3.17 vials
This equals 3 vials (after rounding), with the addition of 1 extra vial = the mother should have 4 vials of Rh Ig administered.
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Please help me answer this task about Plant Biotechnology
Answer:
Plant biotechnology can be defined as the use of tissue culture and genetic engineering techniques to produce genetically modified plants that exhibit new or improved desirable characteristics.
Explanation:
These crops offer several benefits both farmers and consumers.
...
Pocket K No. 2: Plant Products of Biotechnology.
Product Trait
Bean Virus disease resistance
Canola Herbicide tolerance, modified oil/fatty acid, pollination control system, phytase production
Cotton Herbicide tolerance, insect resistance, low gossypol
Eggplant Insect resistance
EASYYYYYY
If global warming continues, what do you think will happen to the glaciers and icecaps of the Earth? What consequences will this have for people and other living things?
Answer:
Glaciers and Icecaps will melt.
The Consequences would be,
- Animals will lose their habitat due to melted Icecaps. Animals like polar bears, arctic foxes, snowy owls, reindeer, etc. They may also get extinct.
- It will create more frequent and intense coastal storms like hurricanes and typhoons.
- Coniferous plants will have problems
Answer:
The glaciers and icecaps will eventually melt
a. Worldwide, what percentage of human water usage does industry account for? (Note: This relates to water usage now, not water supply.) What is the percentage in the United States?
Explanation:
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A conservationists states that "we need to preserve the ocean because 95% of it is yet unexplored". why is ocean exploration important to human society? back your claim by giving three specific examples of how ocean exploration has resulted in the development of technologies that can potentially benefit human society.
Explanation:
Ocean exploration technology has advanced much more than before in the past decade.Ocean exploration can help with monitoring the deep sea.So much ocean explored by scientists begin to propel prediction of marine creatures numbers and direction of environment change, which finally keeps biological balance.Humans actively develop other ocean resources to resolve ore resources and ocean energy resources as one of benefits deep sea exploration.What feature enables the paramecium to move?
The feature enables the paramecium to move is moves through cilia.
What is the mode of locomotion for paramecium?Protozoan that moves by cilia, free-living, unicellular, bearer of a translucent and flattened body. They reproduce by simple division and are visible under the light microscope.
Paramecium, as a ciliated protozoan, has peculiar characteristics to be defined. they are also used to bring food into the cytostome where it will be phagocytosed after passing through the cytopharynx.
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______________ are infectious agents composed exclusively of a single piece of circular, single-stranded RNA which has some double-stranded regions.
Viroids
Pollinators
Conductors
Capsids
Answer:
viroids
Explanation:
Viroids are infectious agents composed exclusively of a single piece of circular single stranded RNA which has some double-stranded regions.
nutrients from croplands are carried by the mississippi river into the gulf of mexico. if nutrients are good for growth, why are scientists concerned about this nutrient influx?
Scientists should be concerned because the nutrient may cause eutrophication.
What is eutrophication?It is the enrichment of water bodies leading to the bloom of aquatic plant species and its associated detrimental effects on the ecosystem.
Nutrient enrichment of water bodies may cause a rapid bloom of algae, thereby limiting the amount of light and oxygen in water bodies. The bloom may also constitute a nuisance to waterways.
This, in turn, may cause the death of aquatic animals whose decay gives an obnoxious odor and depletes dissolved oxygen further.
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How does cell volume affect nutrient exchange between the cell and its external environment.
Answer:
The ratio of cell volume to surface area determines the efficiency of nutrient exchange.
Explanation:
How does each new cell formed by cell division differ from the mature cell?
OA. Each new cell has a smaller ratio of surface area to volume.
B. Each new cell has a larger ratio of surface area to volume.
O C. Each new cell has different information in its nucleus.
D. Each new cell has fewer chromosomes in its nucleus.
What day is considered to be the first day of a female's reproductive cycle?
• When hormone levels are low and the uterus lining is shed.
• When hormone levels are high and the uterus lining is shed.
• When hormone levels are low and the ovary releases an egg.
• When hormone levels are high and the ovary releases an egg.
Question: What day is considered to be the first day of a female's reproductive cycle?
Answer: When hormone levels are low and the uterus lining is shed.
The first day of a female's reproductive cycle is when hormone levels are low and the ovary releases an egg. This is known as ovulation and is the most important part of a woman's menstrual cycle.
What happen during ovulation?During ovulation, the egg's follicle bursts open and is released, travelling down the fallopian tube towards the uterus.
If the egg is fertilised, it will implant in the uterus and a pregnancy will begin; if it is not, it will be reabsorbed by the body, and the cycle will restart.
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Fossil evidence has been used to understand the movement of continental plates. The figure below shows where fossils of several species have been found. How would the range
modern organisms today compare to these species?
Answer:
The modern organisms would have more muscular bodies
Explanation:
What are the environmental impacts of wheat bran?
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Our comparative life cycle assessment shows that in flour system, using wheat bran for biocomposite production rather than wasting it, lowers the overall environmental impacts including global warming and fossil fuel depletion mainly due to bran fiber replacing polypropylene, and avoiding carbon dioxide emissions from .Answer:
Using wheat bran for bio-composite production rather than wasting it, lowers the overall environmental impacts including global warming and fossil fuel depletion mainly due to bran fiber replacing polypropylene, and avoiding carbon dioxide emissions from .
Bio-based materials are increasingly proposed as sustainable alternatives to fossil-based products. Before commercialization, however, the environmental performance of bio-based materials must be evaluated to ensure the sustainability goals are met. Bio-composites derived from natural fibers hold promises for achieving the desired sustainability while offering competitive performance.
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Explanation:
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Suppose an mRNA consists of 60 nucleotides; it directs a primary polypeptide chain containing __________ amino acids to be synthesized.A)18B)30C)10
Answer:18
Explanation: gilr i got grade results too
A scientist notices that a lump of niobium is warm to the touch and wonders if nuclear reactions are taking place in the metal. How can she find out?.
Checking for the presence of alpha, beta, and gamma particles will determine if nuclear reactions are taking place.
What is a Nuclear reaction?This reaction occurs when two or more nuclei fuse together to form a new one and is characterized by heat also.
Its unique property is the presence of radiations which is why the presence of alpha, beta, and gamma particles should be checked.
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A scientist can find out whether a nuclear reaction is taking place or not by inspecting the presence of alpha, beta, and gamma particles.
What is Nuclear Reaction?A nuclear reaction may be defined as a strategy in which the nucleus of an atom is transformed by being shattered apart or united with the nucleus of another atom.
The complete question is as follows:
Measure the metal’s temperature.Check for the presence of alpha, beta, and gamma particles.Look for the presence of niobium compounds.Place the niobium in a pressurized container, and see if the lump becomes warmer.Therefore, the correct option for this question is B. This is because the influential existence of these particles is a characteristic indicator of radioactive decay which means unstable atoms spontaneously experience a nuclear reaction.
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Why is blood glucose self-monitoring preferred over urine glucose testing?
Blood glucose self-monitoring is preferred over urine glucose testing because it is more accurate.
What is glucose testing?Glucose testing refers to the methodologies to measure the amount of this simple carbohydrate in the body tissues/organs.
Glucose testing is fundamental to assess the diseases associated with the metabolism of this nutrient (e.g., diabetes)
In conclusion, blood glucose self-monitoring is preferred over urine glucose testing because it is more accurate.
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What are the types of energy emitted by the sun
Answer:
solar radiation
Explanation:
Solar radiation includes visible light, ultraviolet light, infrared, radio waves, X-rays, and gamma rays.
Which types of muscle can
be conditioned to improve
their function?
Cardiac and skeletal muscle
Smooth and rough muscle
Answer:
Skeletal muscle – the specialised tissue that is attached to bones and allows movement. Together, skeletal muscles and bones are called the musculoskeletal system (also known as the locomotor system). Generally speaking, skeletal muscle is grouped into opposing pairs such as the biceps and triceps on the front and back of the upper arm. Skeletal muscles are under our conscious control, which is why they are also known as voluntary muscles. Another term is striated muscles, since the tissue looks striped when viewed under a microscope.
Smooth muscle – located in various internal structures including the digestive tract, uterus and blood vessels such as arteries. Smooth muscle is arranged in layered sheets that contract in waves along the length of the structure. Another common term is involuntary muscle, since the motion of smooth muscle happens without our conscious awareness.Cardiac muscle – the muscle specific to the heart. The heart contracts and relaxes without our conscious awareness.
What is the lock and key theory?
Lock and key theory states that enzymes have a specific shape that directly correlates to the shape of the substrate.
What is the lock and key theory of enzymes?Enzymes are globular protein that catalyses a biological chemical reaction.
One of the characteristics of enzymes is that they are usually substrate-specific i.e. They bind and act to a particular substrate.
This characteristics is explained by the lock and key theory of enzymes, which states that enzymes have a specific shape that directly correlates to the shape of the substrate.
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Which statement describes the work of Aristotle and Linnaeus?
Aristotle’s classification system had many levels, while Linnaeus’s classification system only had two levels.
Aristotle’s and Linnaeus’s classification systems both divided all life into two groups: plant and animal.
Linnaeus proved that many organisms, which were classified as plants by Aristotle, were animals.
Aristotle and Linnaeus worked side by side examining organisms on many trips.
The correct description is:
Aristotle’s and Linnaeus’s classification systems both divided all life into two groups: plant and animal: option B.
What was the work of Aristotle and Linnaeus centered on?Aristotle was a Greek philosopher who studied life and living things to be able to explain their behavior.
Linnaeus was a Biologist who studied and classified living things into plants and animals.
Aristotle and Linnaeus both classified living things into plants and animals.
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When you become too cold, your hypothalamus will signal what parts of your body to raise the temperature?
A. Kidneys and lungs
The hypothalamus notices a decrease in body temperature, it sends signals to muscles and skin.
How does the hypothalamus work?Human performance is best when their body temperature is 37 ° C or 98.6° F. The equilibrium of temperature (Homeostasis) is disrupted whenever body temperature rises or increases.Together, the body's organ systems try to sustain homeostasis instinctively and cognitively. They adapt naturally to fluctuations in their external surroundings in order to keep the internal atmosphere at the best possible conditions for wellness.The brain region known as the hypothalamus is responsible for preserving the body's internal equilibrium. It is the area of the brain that keeps track of processes including body temperature, appetite, and the release of different hormones.The hypothalamus is the first organ to notice a decline in body temperature so that homeostasis can be maintained. The message is sent to the muscles and skin, which causes one to tense up and shiver as the blood vessels under the skin tighten.Therefore, it is concluded that when we feel too cold muscles and skin work to raise the temperature directed by the hypothalamus.
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During which phase of the cell cycle is a cell's DNA copied?
A. R phase
B. Prophase
C. Interphase
M. M phase
Answer:
Interphase
Explanation:
Answer:b
Explanation:because it is the best answer
Bacterial smears are fixed with
a. water
b. bunsen burner
c. none of the above
d. heat
Answer:
the answer is water
Explanation:
because it is
which of the following is a component of rna but not a component of dna
1. ribose
2. deoxyribose
3. phosphate group
4. Nitrogen bases A C T G
Answer:
1. Ribose
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glomerular capillaries and podocytes together form the:
According to the research, glomerular capillaries and podocytes together form the filtration membrane.
What is the filtration membrane?It is the filtration barrier of the renal corpuscle that consists of the endothelium of the glomerular capillaries, the podocytes, and prevents the passage of macromolecules mechanically and electrically.
Podocytes also keep the glomerular filtration barrier stable by removing proteins and immunoglobulins.
Therefore, we can conclude that according to the research, glomerular capillaries and podocytes together form the filtration membrane.
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1.Is there an industrial or disposal process of using sieving to separate mixtures? Describe any environmental impact it might have
Answer:
Yes
Explanation:
There are plenty of evidences and uses of sieving
It was begun by Romans
Nowadays it's used to separate several mixtures like sands for construction,food materials etc