DNA is a code, so which parts of the molecule (phosphates, sugars or nitrogen bases) ARE the code? Why do you think this is so?

the answer to you question is   jet streams

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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