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shtirl [24]
3 years ago
13

I NEED HELP PLEASE HELP

Biology
1 answer:
svet-max [94.6K]3 years ago
6 0

Answer:D

Explanation:

There isn't enough gravity or pressure build up on the surface to solidify the deposits of pre existing rocks to make sedimentary rocks

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Guys! i need URGENT help!
zepelin [54]

Answer:

When carbon dioxide dissolves in seawater, the water becomes more acidic and the ocean’s pH (a measure of how acidic or basic the ocean is) drops. Even though the ocean is immense, enough carbon dioxide can have a major impact. In the past 200 years alone, ocean water has become 30 percent more acidic, faster than any known change in ocean chemistry in the last 50 million years.

Explanation:

7 0
3 years ago
What does the presence of homologous structures in different organisms suggest?
Georgia [21]

The answer is “common ancestry”

8 0
3 years ago
Read 2 more answers
What is the relationship between the rate at which molten material cools and a minerals crystals
worty [1.4K]

The answer is; The slower the cooling the larger the crystals

Slow cooling allows the aqueous molecules of the compound to find a perfect geometry and grow into a large crystal. Fast cooling causes impurities to be incorporated into the growing lattice hence atagonizing the growing crystals.

3 0
3 years ago
What happens to the circulatory system when someone coughs?
natta225 [31]

Answer: The relationship between blood pressure and heart rate responses to coughing was investigated in 10 healthy subjects in three body positions and compared with the circulatory responses to commonly used autonomic function tests: forced breathing, standing up and the Valsalva manoeuvre. 2. We observed a concomitant intra-cough increase in supine heart rate and blood pressure and a sustained post-cough elevation of heart rate in the absence of arterial hypotension. These findings indicate that the sustained increase in heart rate in response to coughing is not caused by arterial hypotension and that these heart rate changes are not under arterial baroreflex control. 3. The maximal change in heart rate in response to coughing (28 +/- 8 beats/min) was comparable with the response to forced breathing (29 +/- 9 beats/min, P greater than 0.4), with a reasonable correlation (r = 0.67, P less than 0.05), and smaller than the change in response to standing up (41 +/- 9 beats/min, P less than 0.01) and to the Valsalva manoeuvre (39 +/- 13 beats/min, P less than 0.01). 4. Quantifying the initial heart rate response to coughing offers no advantage in measuring cardiac acceleratory capacity; standing up and the Valsalva manoeuvre are superior to coughing in evaluating arterial baroreflex cardiovascular function.

Explanation:

5 0
3 years ago
Which nitrogen bases are complementary to each other?
Slav-nsk [51]
Adenine (A) binds with Thymine (T).
<span>Guanine (G) binds with Cytosine (C).
</span>

Adenine and Guanine are purines. Thymine and Cytosine are pyrimidines.

Hope this helps !

Photon
3 0
3 years ago
Read 2 more answers
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