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Nastasia [14]
3 years ago
7

Natural selection states that organisms are best suited for their environment if

Biology
1 answer:
Blizzard [7]3 years ago
5 0
The answer is letter D
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Living things must maintain a fairly constant pH balance because the pH level determines
butalik [34]

Answer:

My guess would be the fourth option

Explanation:

All living thing have chemical reactions within their body, and ph can affect thous reactions.

4 0
3 years ago
At 95% humidity, what percentage of the air around us is water vapour? Can you drown? ...?
NISA [10]
Humidity<span> is the amount of </span>water<span> vapor in the air. </span>Humidity<span> varies from place to place and season to season.

</span><span>There are two types of Humidity:
Absolute Humidity and Relative Humidity.
 
Absolute Humidity is the weight of water vapor in a cubic meter of air. The higher the temperature, the higher the ability of air to hold water. For example, at 20 C, the maximum Absolute Humidity is 17.3 g/m^3. At 50 C, the maximum Absolute Humidity is 83.0 g/m^3.  Relative Humidity is the % of water vapor in the air relative to the maximum possible Absolute Humidity.</span><span>

</span><span>When we use the word Humidity in ordinary speech, we're talking about Relative Humidity. So,  if the humidity is 95% or even 100%, that doesn't mean 95% or 100% of the air around us is water vapor; just the amount of water in the air is 95% or 100% of the maximum it can hold. 
</span>
Therefore, we wouldn't drown at 95% humidity, we will be uncomfortable due to the heat content of air and water but we are still be able to breathe. I hope this answer helps.
6 0
3 years ago
DNA creates ____ which creates ____ which creates _____.
Agata [3.3K]

Answer:

DNA replication creates two new strands that assemble nucleotides differently.

Explanation:

This statement describes DNA replication because this process involves a double stranded DNA copied to produce two identical new DNA molecules.

Hope this helps!

3 0
3 years ago
8. Cystic fibrosis is caused by a recessive allele. The frequency of this allele is 0.1 in a population of 2,500.
Sedaia [141]

submissive is all  

like all the girls

girls straight

but some are different

5 0
3 years ago
Give the correct biological term
Romashka-Z-Leto [24]

Answer:

Pathogen

Explanation:

A pathogen is an agest that causes diseases. It could be a bacteria, virus, fungi or protozoa

7 0
3 years ago
Read 2 more answers
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