Which characteristic would be most important when a scientist needs to study the changes in climate conditions over a five-year period. a curious b observant c ethical d creative

B observant

Explanation:

A. Is wrong, as s/he already has a question to answer and things to look for.

C. is irrelevant as ethics do not apply to environment change.

D. Is wrong for the same reasons as A.

can you list the answers so i can answer

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

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