Answer:
they contribute to global warming because the greenhouse gases affect the ozone layer making it having holes which allow more sunlight to reach Earth surface which results to global warming
Explanation:
they contribute to global warming because the greenhouse gases affect the ozone layer making it having holes which allow more sunlight to reach Earth surface which results to global warming
Answer:
"Greenhouse effect" is the warming of the climate that results when the atmosphere traps heat radiation from Earth towards space. Certain gases in the atmosphere resemble glass in a greenhouse, allowing sunlight to pass into the "greenhouse," but block Earth's heat from escaping into space. These gases that contribute to the greenhouse effect include water vapor, carbon dioxide (CO2), methane, nitrous oxides, and chlorofluorocarbons (CFCs). Carbon dioxide is responsible for 53% of the of global warming. It is the result of processes of the use of products such as fuel deforestation and production of cement and other materials. Its permanence in the atmosphere varies, but it’s very high at all times since 80% lasts for 200 years and the other 20% can take up to 30,000 years to disappear. Methane is the next of the greenhouse gases which has the biggest effect on global warming with 15%. This is produced by activities such as livestock production, agriculture, sewage treatment, natural gas and oil distribution., coal mining, fuel use and is also given off from waste tips, and lasts an average of 12 years in the atmosphere.
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Sorry, I would type more and give a better answer but I'm lazy and my brain works even worse at 12 am
Which of the following questions can be answered scientifically? (2 points)
Which brand of sugar-free popsicle melts the fastest?
Which brand of MP3 player sounds the best?
Which brand of bandage hurts more to remove?
Which brand of orange soda do people prefer?
The answer is A, because it’s the only option that’s not based on opinions. hope this helped!
Male tungara frogs make a loud distinctive call at night to attract mates. The nocturnal fringe-lipped bat, which preys on this species of frog, detects these calls. Which of the following statements most accurately describes how this
situation is an example of an adaptation that improves reproductive success for a species?
A. The frog has an adaptation to evade capture by one of its
predators, which helps ensure survival through its reproductive stage.
B. The bat has an adaptation that allows it to more easily locate prey, which helps ensure that it has energy needed for reproduction.
C. The frog has an adaptation that increases its ability to survive until it can mate and produce offspring.
D. The bat has an adaptation that allows it to cooperate with the frog so that the bat is better able to survive as a nocturnal species.
Answer:
B
Explanation:
Because the frog's call can attract the bat, they don't often live long enough to find a mate with said call. However, making a meal of the frog provides the bat with energy to help it with it's reproduction.
The data type that contains recorded measurements is called
Answer:
The data type that contains recorded measurements is called [X] data. Quantitative.
Explanation:
Answer:
Quantitative Data
Explanation:
Qualitative measurement focuses on collecting information that is not numerical. You can remember this by thinking of the word 'quality. ' Quality is not something that you measure with numbers. You don't say that dinner was 3 qualities, or that park bench is only 1 quality.
Quantitative data is data expressing a certain quantity, amount or range. Usually, there are measurement units associated with the data, e.g. metres, in the case of the height of a person. It makes sense to set boundary limits to such data, and it is also meaningful to apply arithmetic operations to the data.
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If there was a power outage in a movie theater and only a few dim
emergency lights were lit,which cells in the eye would be most important
for seeing your way to the exit ?
Answer:Light-sensitive cells in the retina at the back of our eye allow us to see. The human eye has two types: cones and rods. Rods are extremely efficient; a tiny amount of light can trigger them. They are responsible for our night vision
Explanation:
Light-sensitive cells in the retina at the back of our eye allow us to see. The human eye has two types: cones and rods. Rods are extremely efficient; a tiny amount of light can trigger them. They are responsible for our night vision
Which organelle makes proteins that are needed by the cell
Answer:
ribosomes
Explanation:
Ribosomes can be described as large biomolecular complexes that are composed of RNA (particularly ribosomal RNA) and proteins.
They act as site for the synthesis of protien in both prokaryotes as well as eukaryotes.
mRNA (messenger RNA) arrives at ribosome after it gets transcribed from DNA.
mRNA gets converted to particular protein (through assembly of amino acids that are carried by specific tRNA molecules according to codons in the mRNA) that is needed by the cell.
This process is known as translation and it takes place at the site called ribosome.
hope i helped
-lvr
Answer:
Ribosomes
Explanation:
they make protein for the cell, hope this helps
HELP ME PLEASE!
A volcanic eruption results in suspended particles, such as dust and ash, in Earth's lower atmosphere. What is the result of this on Earth's weather/climate?
A) reduced solar radiation and over-all cooling
B) a decrease in the ozone in Earth's atmosphere
C) increased carbon dioxide, increased global warming
D) increased solar radiation and a spike in temperatures
how many alleles controlled flowers color in mendel’s experiments
Answer:
two alleles
Explanation:
Mendelian inheritance refers to the inheritance of traits controlled by a single gene with two alleles, one of which may be dominant to the other. Not many human traits are controlled by a single gene with two alleles, but they are a good starting point for understanding human heredity
If 15% of a DNA double helix is the base adenine what are the percentages for the following bases?
Thymine _____
Guanine _____
Cytosine _____
Answer:
Thymine 15%
Guanine 30%
Cytosine 30%
Explanation:
Remember Chargaff's rules: C=G, T=A.
A = T
.15 = T
Now we've got .30 A and T, so we know 1 - .3 = .7 of the DNA should be guanine and cytosine.
.7 / 2 = .35
.35 = G
.35 = C
Which of the following explains biodiversity?
Answer:
The right option is; B) the total variety of organisms on Earth
Explanation:
The absolute assortment of living beings on Earth clarifies biodiversity
Biodiversity is the assortment and inconstancy all things considered (various plants, river creatures, and microorganisms) from all sources (marine, earthbound, and other sea-going biological systems) on earth or inside a specific area. Biodiversity includes hereditary assorted variety, species decent variety, and biological system decent variety which all capacities together to frame the unpredictability of life on earth.
You are standing close to a tall tree when you suddenly see lightning and hear thunder. Should you take shelter under the tree, run across the field to the nearest building, or do something else? Explain why
Answer:
You should never take shelter under a tree when lightening. You should get away from the tree and get as low down to the ground as possible. You do not always have enough time to get to a building so it depends on your surroundings/situation.
Explanation:
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Read the following claim.
The energy animals need to survive was once energy from the sun.
What evidence from the article supports this claim? Think about energy pyramids, then explain how the evidence from the article supports this claim.
Answer: The energy from the sun is the only source of energy which has the ability to sustain life on earth.
The energy pyramid states that the transfer of energy is unidirectional and it flows from the producers to the consumers.
There are different trophic levels at which the organism are found say herbivores, carnivores and top predators.
All of the organism are dependent on the producers for their source of energy.
hence, the sunlight helps autotrophs to make food and herbivores feed on them and then the carnivores animals feed on herbivores and then the top predators feed on the carnivores animals.
So, ultimate source of energy on earth is sun, which directly or indirectly provides energy to the producers and other animals.
Witch of the following states why one of the models is better for moving more nutrients in and out of the cell?
Answer:
option C
Explanation:
B has smaller cells but more surface area.
If the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume. Small cells, therefore, accumulate more nutrients.What is the mechanism through which nutrients pass through cells?Circulatory system, which consists of heart, blood and blood vessels, are responsible for transporting nutrients to the cells of the body. Specifically, nutrients are transported throughout body through blood via capillaries, tiny blood vessels that connect arteries to veins.
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Which of the following situations would be followed by primary succession? (Choose all that apply) severe landslides overgrazing lava flows earthquake
Answer: lava flows, earthquakes
Explanation:
The primary succession begins in an area, where no life sustains initially. Such regions have no soil thus incapable of sustaining life. The land is considered primitive or underdeveloped.
The lava flow, retreating glaciers, sand dunes, earthquakes are the factors which are responsible for primary succession.
The lava will flow over a surface and will solidify into rocks. The rocks undergo withering. The earthquakes are responsible for disturbing the land.
earthquake, lava flows, severe landslides
Primary succession begins on a bare area, such as rock, without vegetation or soil.
Which actions help prevent groundwater erosion? Check all that apply.
planting bushes
preserving trees
packing down soil
building drains with outlets
increasing the slopes of riverbanks
Answer:packing down soil
Explanation:
Which of the following factor is associated with aquatic habitat (A) Temperature (B) light
(c) intensity (D) Gravel (E) sound
Answer: light
Explanation:most probably aquatic plants are located n areawhere light intensity can reach to photosynthesise
What effect would overfishing most likely have on a population of fish in a lake?
An example of a r-selected species would be
A) humans
C) cats
E) rodents
B) sharks
D) cagles
Answer:
the anwser would be rodents
Explanation:
the reason why is because there are a lot offspring that rodents have but only live for so little time
Event 1
Event 2
Which event is most likely an example of a chemical reaction?
Event 1 because there is a color change.
Event 1 because there is a release of heat and light.
Event 2 because the temperature is dropping in the liquid.
Event 2 because the blue color mixes throughout the liquid.
Answer:
Event 1
Explanation:
Event in which there is color change is most likely to be an example of chemical reaction as there is chemical change taking place in it.
What are chemical changes?Chemical changes are defined as changes which occur when a substance combines with another substance to form a new substance.Alternatively, when a substance breaks down or decomposes to give new substances it is also considered to be a chemical change.
There are several characteristics of chemical changes like change in color, change in state , change in odor and change in composition . During chemical change there is also formation of precipitate an insoluble mass of substance or even evolution of gases.
There are three types of chemical changes:
1) inorganic changes
2)organic changes
3) biochemical changes
During chemical changes atoms are rearranged and changes are accompanied by an energy change as new substances are formed.
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Which organ in the body regulates temperature
Answer:
2 possible ones
Explanation:
Skin - Due to vasoconstriction and vasodilation
Brain - the hypothalamus regulates temperature
nervous
Nerve cells outside of the central nervous system are part of the
system.
A. peripheral
B. sliterior
c. upper
Answer:
peripheral
Explanation:
Answer:
peripheral
Explanation:
The peripheral nervous system (PNS), which consists of the neurons and parts of neurons found outside of the CNS(central nervous system).
includes sensory neurons and motor neurons. Sensory neurons bring signals into the CNS, and motor neurons carry signals out of the CNS
brainliest to right answer Describe how proteins are used in active and passive transport. How do they differ?
Answer:
Active transport works against the concentration gradient, moving substances from areas of low concentration to areas of high concentration. While passive transport moves from areas of high concentration to areas of low concentration. The protein is used as a channel for active transport.
Explanation:
Acarbohydrate stored in the liver glycogen. Name the gases exchange surface in insect Tracheoles Name one nutrient that is absorbed without being digested
Answer:
glucose. .water /roughage/fats
why is meosis important
Answer:
Meiosis is important because it ensures that all organisms produced via sexual reproduction contain the correct number of chromosomes.
Explanation:
When a single cell of E. coli reproduces, it first duplicates its DNA. Next, the cell elongates as each copy of DNA is pulled toward opposite ends of the cell. The membrane then pinches inward, dividing the cytoplasm into two halves and producing two daughter cells. What is true about these daughter cells?
The options are:
A. They are genetically different from the parent because they are produced by sexual reproduction.
B. They are genetically identical to the parent because they are produced by sexual reproduction.
C. They are genetically identical to the parent because they are produced by asexual reproduction.
D. They are genetically different from the parent because they are produced by asexual reproduction.
Answer:
The correct answer is- C. They are genetically identical to the parent because they are produced by asexual reproduction.
Explanation:
E. coli reproduces through binary fission in which the genetic material of cell of E. coli first duplicates and then the cell elongates and each of the copies of their genetic material is moved to opposite poles.
After this, the cell gets divided into two equal daughter cells. As binary fission is an asexual reproduction so there is no mixing or combination of genetic material from other E.coli therefore the resultant daughter cells are identical to the parent cell.
Therefore the correct answer is option c.
Answer:
They are genetically identical to the parent because they are produced by asexual reproduction.
What is the process of meiosis 2
Answer:
During meiosis II, the sister chromatids within the two daughter cells separate, forming four new haploid gametes. The mechanics of meiosis II is similar to mitosis, except that each dividing cell has only one set of homologous chromosomes.
Explanation:
look at the image which statement explains what would most likely happen if the moon were closer to earth ?
Answer:The tides would be higher
Answer:
3rd one
Explanation:
yw
Consider this animal cell. The organelles in an animal cell are labeled. Part D are stacked tubular structures. Which organelles are labeled D, and what is one feature that distinguishes them from the other labeled organelles? chloroplasts; the only organelles that produce sugars from sunlight ribosomes; only found in animal and bacterial cells centrioles; found in animal cells but not plant cells mitochondria; the only energy-generating structures found in cells
Answer:
The image of the animal cell was not included in the question, the image has been added as an attachment.
The answer is centrioles; found in animal cells but not plant cells
Explanation:
According to the question, the image in the attachment section is an animal cell with labelled organnelles. An animal cell does not possess a Chloroplast, which is unique to only plant cells. Hence, organnelles D cannot be Chloroplast.
Ribosomes are organnelles made up of a complex of RNA and proteins. They are the site of protein synthesis, which occurs in all living cells. Hence, all cells including plant and animal cells contain Ribosome organnelles. Therefore, it is a wrong choice.
Centrioles are cylindrical tube-like structures made up of microtubules arranged in a specific pattern. Centrioles are present only in animal cells and play a major part in cell division, where they organize microtubules that separate chromosomes. As seen in the image, the two centrioles are perpendicular to one another, forming a CENTROSOME. A plant cell does not possess centrioles instead they contain microtubules organizing centres (MTOC).
Mitochondrion are present in both animal and plant cells as energy-generating organnelles but they are not stacked tubular structures as described in the question.
Answer:
its b on edge 2022
Explanation:
When water freezes, it expands/contracts ???
Answer:
expands
Explanation:
when water freezes is expands, that's why if you put a full glass in the freezer it will shatter.
What does the scientific method help test in environmental science?
Answer:
The scientific method helps test and arrive at conclusions for a variety of hypotheses that are created when studying environmental science.
Explanation:
You all stop for a snack mid afternoon after biking allday, one of your friends has a chocolate bar while the other ones have protein bars. How will this affect their energy levels?
Answer:
there energy levels go into overdrive
Explanation:
and that is what is called a sugar rush