Low dissolved oxygen concentrations that occur in many bodies of water when nutrients stimulate the growth of algae that subsequently die and are decomposed by oxygen-using bacteria.
They are brought from colder regions e.g. the North and South poles where ice caps are melting to give cold water. Currents are due to the effect of wind on the water.
I would say B. Ever hear the phrase, "warm air rises"?
It a <span>A </span>policy<span> is a </span>deliberate system<span> of </span>principles<span> to guide decisions and achieve rational outcomes. A policy is a statement
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Answer:
Nuclear fusion is the process of making a single heavy nucleus (part of an atom) from two lighter nuclei. ... Fusion happens in the middle of stars, like the Sun. Hydrogen atoms are fused together to make helium. This releases lots of energy
Explanation:
