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Vikki [24]
3 years ago
13

What type of element is present in a supernova gas cloud that is not present in a smaller star like our sun?

Biology
1 answer:
sergey [27]3 years ago
5 0
It’s either carbon or hydrogen but I would definitely go with hydrogen
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Why saturated solution prepared at higher temperature gives crystal on cooling​
charle [14.2K]

Answer:

Cristal is formed when the solution is cooling because the solvent can't keep all the molecules of the substance and these molecules are beginning to leave the solvent and form solid crystals.

Explanation:

It means that every crystal is formed of one molecule of the solvent. When the solvent reaches room temperature, it is moved to the ice bath to finish the process of crystallization.

4 0
3 years ago
New generations are better suited to their environment than the first generation. What is this called?
olchik [2.2K]

Answer:

Descent with modification

Explanation:

We define evolution as descent with modification from a common ancestor.

Evolution only occurs when there is a change in gene frequency within a population over time. These genetic differences are hereditary and can be passed on to the next generation - which is what really matters in evolution: long-term change. In this process, the new generations are better suited to their environment than the first generation because of descent with genetic modification.

7 0
3 years ago
Write a claim to answer this question: How does exercise (working out) affect heart rate? (hint; use the graph)
mel-nik [20]

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Explanation:

3 0
3 years ago
Which one of these exibis a notochord at some of its developments
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The answer is a <span>cat.   </span>
5 0
3 years ago
Would you expect the resting heart rate of an athlete to be higher or lower than someone who doesn't work out?​
Lina20 [59]

Answer:

Lower

Explanation:

they have experience in there breath rate they've probably been doing it for a minute. while on the other hand someone who is not used to working out has a hard time getting there breath back and are breathing heavily

4 0
3 years ago
Read 2 more answers
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