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Lina20 [59]
3 years ago
12

What causes the difference in physical characteristics like hair color among people?

Biology
2 answers:
Nadya [2.5K]3 years ago
7 0
Different versions of genes
sveta [45]3 years ago
7 0

Answer: A

Explanation:

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In the cell , amino acids molecules combine to form what?
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B I think let me know if it's correct or wrong

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Which of the following describes how biotechnology could be used to keep rice harvests from declining?
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Polar climates are characterized by
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Answer:

Low rates of evaporation

Polar climate is found in regions around the north and south poles. They include the Arctic and Antarctica regions.

Explanation:

The regions are mainly cold, dry and windy. This is mainly due to their positionon earth relative to sun causing them to receive very little annual sunlight energy compared to other latitudes of the earth. Therefore most of the moisture is locked up in ice hence the dryness of the region. This is not helped by the thin atmosphere in these regions. This means they cannot retain heat because infrared (the electromagnetic waves responsible for heat transfer) boucing up from the earth's surface easily escapes back to space from this region of earth. The heat needed to spur precipitation, therefore, lacks and hence the dryness.  Temperatures in these regions range at averages of 10 degrees centigrade on the warmest summer months.

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3 years ago
What happens to the enzymes in your body if your temperature is too high?
Lilit [14]

Answer:

Temperature: Raising temperature generally speeds up a reaction, and lowering temperature slows down a reaction. However, extreme high temperatures can cause an enzyme to lose its shape (denature) and stop working.

Explanation:

Hope this helps too:)

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