I think the correct answer from the choices listed above is the second option. The zone in which some aquatic organisms rely on bioluminescence to entice prey would be the mesopelagic zone. It<span> is that part of the pelagic </span>zone<span> that extends from a depth of 200 to 1000 metres below the ocean surface.</span>
Answer:
The correct answer is
18
Groups of the periodic table: The s-, p-, and d-block elements of the periodic table are arranged into 18 numbered columns, or groups.
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- Quinn <3
The reason why the sets of proteins that are expressed in a
nerve is different from the sets of proteins that are expressed in a pancreatic
cell of the same individual is that nerve and pancreatic cells contain
different sets of regulatory proteins.
Answer: (x+7)(x-7)
how to get answer:
x^2-49 rewrite as
x^2-7^2
use diff of perf squares: a^2-b^2=(a+b)(a-b)
(a=x, b=7)
fill in the formula of the parenthesis
(x+7)(x-7)
to check you answer is correct, you can foil the answer (x+7)(x-7)
Some you wouldn't see by stepping outside, but it gives you a general understanding of what you should be looking for.
Hope this helps!
