Answer:
cloth stored in clean sanitizer that is only used to clean up after raw meat
Explanation:
raw meat can cause diseases in humans, so using cleaning materials for raw meat only is important to avoid cross-contamination
What are the characteristics of a good scientist
Answer:
Explanation:
Curious. Scientists are curious about their world.
Patient. Scientists are patient as they repeat experiments multiple times to verify results.
Courageous.
Detail-oriented.
Creative.
Persistent.
Communicative.
Open-minded and free of bias.
hope this helps you
What do you think climate change is? List as many facts in your definition as you can!
Answer:
Climate variability includes all the variations in the climate that last longer than individual weather events, whereas the term climate change only refers to those variations that persist for a longer period of time, typically decades or more. In the time since the industrial revolution the climate has increasingly been affected by human activities that are causing global warming and climate change. The climate system receives nearly all of its energy from the sun. The climate system also radiates energy to outer space. The balance of incoming and outgoing energy, and the passage of the energy through the climate system, determines Earth's energy budget. When the incoming energy is greater than the outgoing energy, earth's energy budget is positive and the climate system is warming. If more energy goes out, the energy budget is negative and earth experiences cooling.
Identify the types of breezes and the areas of high and low pressure that cause them.
Answer:
Explanation:
Breeze are formed from difference in air temperature .
We have the land breeze and sea breeze,
The sea breeze blows from the inward part of the ocean to the land. It takes place during the day, when sun heats up the land it increase the temperature in the ground causing land to heat up resulting in warm air and low pressure but it takes a longer time for ocean body to heat up hence the pressure in the ocean is usually higher, this result in sea breeze.
Land breeze is the breeze that blows from the land to the ocean. At night, land looses the heat cause by increase temperature and becomes cooler but because it takes a longer time for ocean body to get warm heats accumulated are not easily given up hence the pressure on ocean is usually low at night while the pressure of land is higher the difference beings about air breeze from land to the sea.
_______is when the body produces antibodies in response to antigens.
a. passive immunity
b. vaccination
c. active immunity
d. immunity
Answer:
c
Explanation:
C
Which system prepares the body for the situation
described in the scenario?
the somatic nervous system
the parasympathetic nervous system
the central nervous system
the sympathetic nervous system
Answer:
D) The Sympathetic Nervous System
Explanation:
The brain and spinal cord make up the central nervous system. The peripheral nervous system is comprised of the somatic and autonomic nervous systems. The somatic nervous system transmits sensory and motor signals to and from the central nervous system. The autonomic nervous system controls the function of our organs and glands, and can be divided into the sympathetic and parasympathetic divisions. Sympathetic activation prepares us for fight or flight, while parasympathetic activation is associated with normal functioning under relaxed conditions.
Answer:
Its D the sympathetic nervous system
Explanation:
Heres the ssenario: Antonella is on vacation with some friends in Montana. One day, she is out hiking in the woods when she hears a sound in the distance. She turns around and sees a grizzly bear coming out of the bushes. She freezes and becomes fearful of what the bear will do.
RNA is located in the____ of the cell.
Núcleos
Cytoplasm
Chromosome wall
Both A and B
1 Point
What system consists of cells that night and kill foreign substances that enter
the human body?
A. Immune system
B. Excretory system
C. Endocrine system
D. Circulatory system
SUBMIT
Answer:A
Explanation:
The following are part of the carbon cycle EXCEPT _________. a.) Respiration b.) Precipitation c.) Decomposition d.) Photosynthesis
Answer:
b:
is your best answer
Which of these is true for a fetus by the end of the first trimester of fetal
development?
O A. Its weight is half what it will be at birth.
O B. Its placenta has served its purpose.
O C. Its external sex organs have formed.
D. Its lungs are fully developed.
Answer:
A
Explanation:
A habitat is comprised of a flock of ducks around a streambed. Which of the following describes this ecosystem? All the organisms living in and around the streambed, such as ducks, meadow voles, monarch butterflies, and others All the organisms living in and around the streambed, together with the rocks, substrate, water, surrounding air, and other non-living components Non-living components of the streambed and the organisms living outside the streambed Non-living components surrounding the streambed and the organisms living inside the streambed
Answer: All the organisms living in and around the streambed, together with the rocks, substrate, water, surrounding air, and other non-living components
Explanation:
An ecosystem is interaction between living and nonliving things in an area. There are biotic and abiotic factor, abiotic means non living things such as air and biotic means living things such as animals.
All the organisms living in and around the streambed, together with the rocks, substrate, water, air, and other non-living components, make the ecosystem. Thus, option B is correct.
What is an ecosystem?
An ecosystem is where biotic factors like plants, animals, and microorganisms live and interact with the abiotic factors like water, trees, land, soil, rocks, air, etc.
The ecosystem of the flocks of ducks around the streambed will include the ducks, microbes, and other biotic factors along with the streambed, rocks, air, water, etc.
Therefore, the biotic and the abiotic factors comprise the ecosystem.
Learn more about the ecosystem here:
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A program reads as follows:
if age 2
print ("free admission")
elif 2 s ages 12
print ("children's admission is $5")
elif 12
print (student admission is $8")
elif age > 22
print ("general admission is $10")
If the age of the ticket buyer is entered as 13 how many steps would the program run through before executing?
1
2.
Answer:
It would take 4 steps
Explanation:
Which of these changes occurs near the end of the third trimester of fetal
development?
A. All parts of the eyes begin to develop,
B. The sex of the fetus becomes obvious.
OC. The fetus moves to a head-down position,
O D. All cells finish differentiating.
Answer: OC. The fetus begins to move to a head-down position.
Explanation: This happens after other features of the baby are also finishing development, such as eyelashes and eyebrows. The lungs are also the last major organ to finish developing during this time.
Match the nervous system disorders with their descriptions
[a degenerative disease that affects older people]
[affects voluntary muscles]
[a burst blood vessel in the brain]
[a stationary blood clot]
1. ALS
2. Cerebral thrombus
3. Cerebral hemorrhage
4. Alzheimer disease
Answer:
Alzheimer disease-a degenerative disease that affects older people.
Cerebral thrombus a stationary blood clot
Cerebral hemorrhagea burst blood vessel in the brain
ALS- affects voluntary muscles
Explanation:
All these neurological disorders are damaging to health and can lead to other complications. In most cases loss of motor control is the main complication( Alzheimer), other main lead to stroke(cerebral hemorrhage and cerebral thrombus).It may also results in loss of sensation to the muscles- Amyotrophic lateral Sclerosis ALS.
Answer:
Alzheimer disease-a degenerative disease that affects older people.
Cerebral thrombus a stationary blood clot
Cerebral hemorrhagea burst blood vessel in the brain
ALS- affects voluntary muscles
Explanation:
Which of the following best describes the circuit shown below?
A
O A. Parallel
O B. Series
O C. Short
OD. Open
All of the plants and animals living in the same area make up a ?
Answer:
The biosphere
Explanation:
The biosphere is the area of the earth where all the living things, including atmosphere habitable by living things like birds, can be found.
All of the plants and animals living in the same area make up an ecosystem.
What is an ecosystem?An ecosystem is a region where a bubble of life is created by plants, animals, and other organisms interacting with the weather, environment, and other factors. Abiotic variables, or nonliving components, coexist with biotic components in ecosystems. Plants, animals, and other species are biotic factors.
Numerous diverse living things that interact with one another makeup ecosystems. Producers, consumers, and decomposers are the three groups of living things that make up an ecosystem. Each of them contributes significantly to the ecology. The flow of energy is always unidirectional in an ecosystem.
Therefore, All of the plants and animals living in the same area make up an ecosystem.
Learn more about an ecosystem, here:
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One of the proteins made and released by a cell is compared to the protein taken
from the same cell's endoplasmic reticulum. The two proteins are slightly different.
What likely occurred?
The cell used part of the protein in the mitochondrion.
The cell modified the protein in the Golgi apparatus.
The cell membrane changed the structure of the protein.
The cell digested the protein in the lysosome before releasing it.
Answer:
the answer is the cell used part of the protein in the mitochondrion
The amount is moisture in the air is commonly expressed as _______ humidity.
A. Relative
B. Absolute
C. Wet
D. Dry
Answer: Could be B or C
Explanation:
Absolute has many meanings but moisture is wet
What is the main event that happens during puberty? Individuals may feel pain because their bodies grow so rapidly. Individuals begin to ask questions about their future. Individuals need large amounts of food because of rapid growth. An individual’s body becomes able to reproduce.
Answer:
a individual's body becomes able to reproduce . that is the major change in a person's body during puberty
Explanation:
please mark as the BRAINIEST
According to an American Cancer Society's annual report published in December 2009, the U.S. cancer death rate continues to
decline, as it has since the 1990s. This may be attributed to all BUT ONE of these factors.
0)
A)
early screening
B)
fewer people smoke
C)
genetic engineering
D)
healthier diet and less obesity
Answer:
C
Explanation:
The reduced rate of cancer deaths in the United States may be attributed to all of the factors except genetic engineering. Early detection and a healthier lifestyle are the main contributors to the reduced incidence of cancer as well as the reduce death rate.
A scientist stated the following hypothesis:
If I change the temperature of water in a fish tank, it will affect fish breathing rate.
Identify the independent variable:
fish breathing rate
type of fish
type of fish tank
temperature of water
Which of the following are thought to have been engulfed by prokaryotic cells and evolved into chloroplasts?
ribosomes
O protozoa
O photosynthetic bacteria
O mitochondria
vious
Answer:
Mitochondria and chloroplasts likely evolved from engulfed prokaryotes that once lived as independent organisms. At some point, a eukaryotic cell engulfed an aerobic prokaryote, which then formed an endosymbiotic relationship with the host eukaryote, gradually developing into a mitochondrion.
Answer:
Mitochondria
Explanation:
I would say mitochondria because without this, how would energy be produced?
which of the following describes a pattern
Answer:
are there choices?
Answer:
Need answers to answer
Explanation:
The tour of oxygen molecules throughout the circulatory and respiratory system?
Answer:
The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart.
In Figure 7-2, which picture shows weathering that involves carbonic acid: A, B, or C?
Answer:
C.
Explanation:
Weathering is defined as the process of breaking down of rocks, soils, and minerals.
Weathering that involves carbonic acid is a type of chemical weathering in which carbonic acid reacts with calcite to form limestone. For many years when carbonic acid has weathered so much limestone that it forms caves.
Hence, the correct option is C as it shows caves due to reaction with carbonic acid.
Answer:
i think C.
Explanation:
Weathering is defined as the process of breaking down of rocks, soils, and minerals.
Weathering that involves carbonic acid is a type of chemical weathering in which carbonic acid reacts with calcite to form limestone. For many years when carbonic acid has weathered so much limestone that it forms caves.
the correct option is C as it shows caves due to reaction with carbonic acid.
that it
Changing the DNA of an organism will change the
makes
A.Fats
B.Carbohydrates
C.Proteins
D. Water
I need help please ASAP
Answer: C. Proteins
Explanation:
Ice can be considered a mineral.
Answer:
A lot of people think that ice is not a mineral. In my opinion ice is a mineral just like Quartz is. Ice is a naturally occurring compound. Ice carry’s a defined chemical formula. It also has a crystal structure, this structure makes it a legitimate mineral. So yes ice can be considered a mineral!
Explanation:
What are enzymes made from?
O A. Nucleic acids
O B. Amino acids
O C. Fatty acids
D. Monosaccharides
Answer:
B. Amino acids
Explanation:
Answer:
B. Amino acids
Earth's tides are caused by the influence of celestial bodies. Which body
has the greatest influence on tides?
A.sun because it's larger than the moon
B.moon because it's closer than any other celestial body
C.Earth because that's where we live
D.Jupiter because it's larger than the sun
A new species is introduced to an ecosystem. Over several years, the species biodiversity of the ecosystem decreases. Which statement best explains this observation?
Select one:
The species did not feed on herbivores in the ecosystem.
The species left the ecosystem.
The species competed with existing predators.
The species attracted new predators.
Answer:
I'm not exactly sure about this, but I would say D.
Explanation:
Question 7: What might be some implications of Robert Hazen’s experiments
and research? Cite evidence from the text to support your answer.
Answer:
Robert Hazen’s studied enviromental and biological processes that might have been critical for life, and also for the formation of approximately two-thirds of Earth's mineral species (see Hazen et al., 2008; Gonzalez & Richards 2020) .
Explanation:
Hazen provided evidence about how first organic molecules were generated on the primitive earth millions of years ago. He observed that high-pressure hydrothermal vents may provide food for underwater ecosystems. It represents a piece of critical evidence on the origin of life.
You can read these articles that are certainly clarifying in the description of his experiments and discoveries:
1- Hazen, R. M., Papineau, D., Bleeker, W., Downs, R. T., Ferry, J. M., McCoy, T. J., ... & Yang, H. (2008). Mineral evolution. American Mineralogist, 93(11-12), 1693-1720.
2- Gonzalez, G., & Richards, J. W. (2020). The privileged planet: how our place in the cosmos is designed for discovery. Gateway Editions.