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Rufina [12.5K]
3 years ago
13

Which of these features was formed by river erosion? Group of answer choices

Biology
1 answer:
Mars2501 [29]3 years ago
3 0

Answer:

A) The Grand Canyon

Explanation:

The Grand Canyon is the only option here that was formed from erosion. Hope this helps :)

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Proteins are used for all of the following except:
sveticcg [70]

Answer:

The answer is option D.

Signaling.

Hope this helps

4 0
3 years ago
What organelle packages molecules? A. Centrosomes B. Golgi Apparatus C. Nucleus D. Ribosome
klio [65]
The organelle that packages molecules for transport outside the cell is the Golgi Apparatus. The molecules are packages in transport vesicles inside the Golgi Apparatus.

The solution is C.
8 0
3 years ago
Electron microscopes use
Pavel [41]

Electron microscopes use _beam of electrons___ in order to allow for higher magnification and more detail when viewing specimens.

Explanation:

A beam of electrons has a shorter wavelength than normal light used in light microscopes, by approximately a factor of X 100000. Therefore, electrons microscope have the inherent attribute of having a very high resolution. They have been used to discover very small organelles in cells such as the ribosomes and mitochondria that cannot be clearly viewed even with the highest resolution in light microscopes.

Learn More:

For more on electron microscopes check out;

brainly.com/question/2845212

brainly.com/question/2121468

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6 0
2 years ago
Since ethnicity is not biologically fixed, self-identification with a particular ethnic group can change through what process?
Anuta_ua [19.1K]

Answer:

Situational Negotiation of Identity

Explanation:

when our claimed or perceived identity varies depending on the context. One among severally culturally distinct groups in a society or region; members share beliefs, values, habits, customs, and norms. You can be one thing or another depending on your setting Minority groups: subordinate groups in society.

7 0
3 years ago
Your roommate, who has not studied climate, says, "I thought the greenhouse effect was a bad thing. Isn't it what's causing glob
Masja [62]

Answer:

b) and c)

Explanation:

Greenhouse gases are gases found in the atmosphere that absorb infrared radiation and trap the sun’s heat, thereby producing an effect known as <em>greenhouse effect.</em> By this natural way, the earth is able to be kept warm at an optimal temperature, to make it habitable for humans and other organisms. These gases referred to as <em>greenhouse gases</em> include, carbon dioxide, methane, water vapour and other trace gases found in the atmosphere.  Greenhouse gases could be likened to the glass in a greenhouse that helps in trapping heat to keep the greenhouse warm at optimal temperature necessary for plant growth and development.

Without this natural greenhouse effect caused by greenhouse gases, life on earth would be almost impossible as the earth would almost be covered with ice below 0 degrees Fahrenheit.

The increased level of greenhouse gases we now find in the earth’s atmosphere is responsible for the additional warming of the earth’s surface, causing an enhanced greenhouse effect which results in global warming.

Statement a) cannot be used as an explanation because it is false. Greenhouse effect makes the earth habitable.

Statement d) cannot be used as an explanation because carbon dioxide is not the only greenhouse gas that matters. Water vapour, CFC and methane also have impacts.

<em>Statement b) and c) are the best statements to use in explaining the true nature of greenhouse effect. </em>

7 0
3 years ago
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