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marissa [1.9K]
3 years ago
8

Which statements are true about molecules?

Biology
2 answers:
TiliK225 [7]3 years ago
5 0
I think is D that what i think
iren [92.7K]3 years ago
3 0

Answer:

They are the smallest unit of an element or a compound. They are a group of atoms that are strongly joined.

Explanation:

I just took the test :D

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Analyze the impact nonnative species in terms of population dynamics ??
irina [24]

Answer:

Limiting factors control the numbers of individuals in a population, sometimes maintain it at or near the carrying capacity. 4. Analyze the impact a nonnative species might have on a native species in terms of population dynamics. Nonnative species might out-compete the native species or might prey upon them.

Explanation:

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3 years ago
Which type of microscope would you use to study (a) the changes in shape of a living white blood cell and (b) the details of sur
barxatty [35]

1. Answer;

Light microscope (LM)

Explanation;

-A light microscope (LM) is an instrument that uses visible light and magnifying lenses to examine small objects not visible to the naked eye, or in finer detail than the naked eye allows.

-It allows attachment of the focus wheels and the stage to the microscope. A light source used in place of a mirror. Most microscopes do allow manual light adjustment via a wheel located near the base.

2. Answer;

Scanning electron microscope (SEM)

Explanation;

-A scanning electron microscope (SEM) scans a focused electron beam over a surface to create an image. The electrons in the beam interact with the sample, producing various signals that can be used to obtain information about the surface topography and composition.

-There are two main types of electron microscope; the transmission EM (TEM) and the scanning EM (SEM). The transmission electron microscope is used to view thin specimens (tissue sections, molecules, etc) through which electrons can pass generating a projection image.

8 0
4 years ago
Segments of DNA transferred from parent to offspring are called
Shtirlitz [24]

Answer: Genes

Explanation:

8 0
3 years ago
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If you were about to run into a brick wall, would hitting your brackets help lessen the force of the collision? Even if you knew
mezya [45]
Yes because it’s is slowing you or you vehicle down causing the impact to be less harsh for instance an accident at 5mph will hurt less then an accident at 60mph
8 0
3 years ago
what properties of water would be most important in protecting a fish in a shallow pond on a hot summer day?
Leya [2.2K]

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Explanation:

Water’s high specific heat helps to maintain low temperature and protects fish life. This is due to the presence of hydrogen bonds in larger amount between water molecules. Of course, specific heat plays a role to capture more energy without rise in temperature.

When heat gets absorbed, water molecules move freely and hydrogen bond gets broken. If temperature decreases, release energy by forming hydrogen bond. Hence, it clearly shows that this water property can drastically change the temperature quickly  which is important in protecting a fish in a shallow pond on a hot summer day.

3 0
3 years ago
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