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Ulleksa [173]
3 years ago
8

If muscles are relaxing they are returning to their:

Biology
1 answer:
slega [8]3 years ago
4 0

I think it is their normal state

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What must be true of the bonds for a reaction to be endothermic
koban [17]
More bonds are broken than made. This is because the energy will remain in the substance, making it an endothermic reaction.
5 0
3 years ago
Bacteria that are helpful in one place may be harmful in another.
kaheart [24]

Answer:

Bacteria that are helpful in one place may be harmful in another.

What information in the text supports this statement?

A Heliobacter pylori is a bacterium that causes gastritis (irritation or

inflammation of the stomach lining) and peptic ulcers, diseases which were once

thought to be caused by too much acid.

B Streptococcus salivarius appears to help prevent tooth decay in the mouth

but can be dangerous to people with weakened immune systems if it gets

outside the mouth.

Bacillus subtilis releases toxic chemicals to kill fungus, possibly including

Trichophyton interdigitale and other species that cause athlete's foot.

D Skin, which is our interface with the world, supports a large number of the

human body's most diverse populations of bacteria, including Bacillus subtilis.

Explanation:

3 0
2 years ago
Sort the questions based on whether they are better answered by an observational study or a controlled experiment.
s2008m [1.1K]

Although the actual questions are missing from your ask, here's how you can tell.

If the study will be messed up (added bias) through interaction with the subjects the study should be observational. For example if a biologists wanted to study the eating habits of wild birds in the tropics, they would need to do an observational study. if they did a controlled experiment, the birds will change their eating habits based on human interaction, thus making the study invalid.

If the study requires specific measurements, close monitoring, or contact and interaction with the subjects the study should be a controlled experiment. For example, if a scientist wanted to test out a new drug, the health of patients would need to be closely monitored.

8 0
3 years ago
Read 2 more answers
What happens to an animal cell that is placed in a hypotonic solution? what is the condition called?
Anna11 [10]
The cell would expand and eventually burst. This is called cytolysis.
4 0
3 years ago
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The information on groundwater obtained from a secondary source should always be
OlgaM077 [116]
Rechecked.
you can't fully rely on a secondary source unless it has been rechecked
4 0
3 years ago
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