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Setler79 [48]
3 years ago
10

Yall Im struggling, if u cant read it, the question is “why does a mountain climber need an oxygen supply at very high altitudes

, even tho the air still contains 21% oxygen?

Biology
1 answer:
Galina-37 [17]3 years ago
5 0

Answer: Because it is harder to draw breath in. And the cold

Explanation: At higher altitudes, it becomes more dangerous, and you can develop altitude-related illnesses such as HAPE and HACE. I read a book called<em> Into Thin Air</em>, and in the book the author goes into detail on the details/complications of climbing Mt.Everest and oxygen needs. Mountain climbers use canisters of oxygen called <u>Supplemental Oxygen.</u>

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1 point
amm1812

Answer:

The pairing of the nitrogen bases in a DNA molecule is AT and CG. Let's say that the DNA strand has the sequence of ATCG. The complementary strand of that DNA strand will be TAGC. A and T & C and G must pair with each other. The replicated strand will be the same as the original strand because the complementary strand of the replicated strand will be ATCG, which is the same as the original strand.

Explanation:

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3 years ago
What is the meaning of Biology?​
liq [111]

Answer:

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Explanation:

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Ymorist [56]

Answer:

1. Car

2. Phone

3. TV

4. Microwave

5. Washing Machine

6. Oven

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Setler [38]
The arc length is calculated by using the equation below:

Arc length = 2πr ( C/360)

where r is the radius and C is the central angle.

<span>Arc length = 2π(6) ( 65/360)
</span>Arc length = 6.81 inches

Therefore, the correct answer is option C.
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3 years ago
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Marianna [84]

Answer:

number of protons

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Explanation:

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