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3 years ago

Which layer of the atmosphere absorbs significant amounts of untraviolet light

Biology

2 answers:

baherus [9]3 years ago

7 0

Stratosphere is the answer

defon3 years ago

5 0

Answer: The answer is the Stratosphere.

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lisov135 [29]

Here’s what I found on quizlet

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3 years ago

Read 2 more answers

When studying animal behavior, the distribution of organisms within a choice chamber can be studied to identify animal preferenc

Komok [63]

Answer:

Explanation:

Random distribution of the Isopods should be 50/50 in A and B.

Chi-square = $\frac{(O - E)^2}{E}$ where O = observed frequency and E = expected frequency

Chamber O E Chi-square

A 18 10 $\frac{(18 - 10)^2}{10}$ = 6.4

B 2 10 $\frac{(2 - 10)^2}{10}$ = 6.4

Total Chi-square = 6.4 + 6.4 = 12.8

Degree of freedom = 2 - 1 = 1

Tabulated Chi-square (α = 0.05) = 3.8415

The calculated Chi-square exceeds the critical value, hence, it is significant and not due to random.

The correct option is c.

4 0

3 years ago

When checking a child for non-life-threatening emergencies, which action would be appropriate?

bezimeni [28]

It is usually the best practice to start checking from his or her lower limbs, toes and gradually progress upwards ,legs waist , stomach, chest, hands and the head lastly. In short, do it from the bottom to the top.

4 0

3 years ago

Which one of the following statements MOST accurately describes methylation? Methyl groups are most often added to cytosines adj

Kisachek [45]

The most true answer from these choices is:

Methyl groups most often added to guanine-cytosine base pairs because they are held by three hydrogen bonds, and this decreases the probability of gene expression.

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2 years ago

Pulmonary arteries transport ________.

andrezito [222]

Answer:

Explanation:

I would say this because the pulmonary circulation only transports deoxygenated blood. And this blood gets transported to the lungs so the lungs can absorb oxygen and release carbon dioxide. I am not sure about this one though. This is what I think.

3 0

2 years ago