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balandron [24]
3 years ago
15

What is the key factor in determining the habitable zone of a planet

Biology
2 answers:
FrozenT [24]3 years ago
8 0

Answer:

The key factor in determining the habitable zone of a planet is looking for a Earth-like planet that is able to have water on it's surface, and make sure that it can still give or support life.

Hope this helps!

yKpoI14uk [10]3 years ago
6 0

Answer:

Ability of water to be liquid.

Explanation:

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Answer:

Which is the best example of physical weathering?

The cracking of rock caused by the freezing and thawing of water

Explanation:

The cracking of rock caused by the freezing and thawing of water is the best example of physical weathering

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3 years ago
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What evidence suggests that RNA appeared before DNA? ribozymes, catalytic RNA, play pivotal roles in modern cells ribosomes are
mote1985 [20]

Answer:

<em>The evidence that suggests  RNA  appeared before DNA is the fact that RNA can act as an enzyme to self-edit their own genetic code. </em>Moreover, it has the ability to store genetic information, while transfer and ribosomal RNA have the ability to translate genetic information into proteins.

Explanation:

RNA has a great capability as a genetic molecule, it once had to carry on hereditary process on its own. It is absolutely sure that RNA was the first molecule of heredity. However, a single stranded RNA is rather unstable and easily damaged by enzymes. By essentially multiplying the existing RNA molecule, and using deoxyribose sugar instead of ribose.

<em>The DNA evolved as a much more stable form to pass genetic information with accuracy.  It shows a biological evolutionary purpose .</em>

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3 years ago
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Because of the large heat of __________ of water, the evaporation from a liquid surface is a very effective cooling mechanism. T
Harman [31]

Because of the large heat of __________ of water, the evaporation from a liquid surface is a very effective cooling mechanism.

Vaporization

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Microscopic organisms that are disease-causing agents are called
kogti [31]
The answer is C. Pathogens
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3 years ago
Two views of the same onion epidermal cells, as seen with a compound light microscope, are shown in the diagram below. What was
Makovka662 [10]
<h2>Answer:    A</h2>

Explanation:

The magnifiacation doesn't change. We aren't seeing a more detail or less detail view of the cells. Thus this eliminates B & C.

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However, B looks darker than. This is usually a sign that the cells have been stained. This was perhaps done with Methylene Blue.

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