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PSYCHO15rus [73]
4 years ago
14

Can someone please help me with this

Biology
2 answers:
valina [46]4 years ago
8 0
Atlantic and Pacific Ocean
oksian1 [2.3K]4 years ago
3 0
^^^^^^They got it ^^^^^^^^
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Why is a key bed used?
Anna11 [10]
In geology, a key bed (syn marker bed) is a relatively thin layer of sedimentary rock that is readily recognized on the basis of either its distinct physical characteristics or fossil content and can be mapped over a very large geographic area.[1] As a result, a key bed is useful for correlating sequences of sedimentary rocks over a large area. Typically, key beds were created as the result of either instantaneous events or (geologically speaking) very short episodes of the widespread deposition of a specific types of sediment. As the result, key beds often can be used for both mapping and correlating sedimentary rocks and dating them. Volcanic ash beds ( and bentonite beds) and impact spherule beds, and specific megaturbidites are types of key beds created by instantaneous events. The widespread accumulation of distinctive sediments over a geologically short period of time have created key beds in the form of peat beds, coal beds, shell beds, marine bands, black  in cyclothems, and oil shales. A well-known example of a key bed is the global layer of iridium-rich impact ejecta that marks the Cretaceous–Paleogene boundary (K–T boundary). Please let me know if it works.
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4 years ago
What is the relationship between anabolism and Catabolism
Leni [432]

Answer:

Difference Between Catabolism and Anabolism. Both anabolism and catabolism are metabolic processes, but the two are contrastingly different from each other. • Catabolism produces energy but anabolism uses energy. • In the catabolic pathways, the large molecules are broken down into small monomers whereas, in anabolism, small molecules are connected with each other, to form large molecules

8 0
3 years ago
Students in a class recorded their resting pulse rates
chubhunter [2.5K]

Answer: (A)

Explanation: I’m smart

6 0
3 years ago
The partial pressure of oxygen at a particular point in the bloodstream is 100 mm Hg. Under what circumstance will there be a ne
jekas [21]

Answer:

c. There will be a net diffusion of oxygen from the water into the bloodstream only if the partial pressure of oxygen in the water is greater than 100 mm Hg

Explanation:

Diffusion involves the movement of molecules from the region of higher concentration to the region of lower concentration. If the molecules are gas molecules, they will diffuse from the region of higher pressure to the region of lower pressure.

Hence, for net diffusion to occur from the water to the bloodstream, the partial pressure of oxygen in water must be higher than the partial pressure of oxygen in the bloodstream.

<em>Since the partial pressure of oxygen in the bloodstream is 100 mm Hg, then the partial pressure of the gas in water must be more than 100 mm Hg in order for net diffusion to occur from water to the bloodstream.</em>

3 0
3 years ago
Help please! Will mark as brainliest! Please no links.
natali 33 [55]

Answer:

<em>Species A seems like it's growth rate spikes up right before every ten years. Species A also seems that it's growth rate is slowly dropping. </em>

<em>Species B seems like it's growth rate is somewhat stable. It happens to go up a bit on the growth but then comes back down. It is a normal growth rate compared to Species A.</em>

<em>I hope this helps you out! :)</em>

4 0
3 years ago
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