What is a molecule?
A. a pair of shared valence electrons
B. a pair of atoms sharing a set of valence electrons
C. a group of covalent compounds held together by ionic bonds
D. a group of atoms that are held together by ionic bonds
E. a group of atoms that are held together by covalent bonds
Answer: E
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Judge the following sentence according to the criteria given below: Clown fish are not stung by sea anemone BECAUSE they chase away any other fish that tries to feed on the anemone
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.
A cyclical event will occur regularly at times determined by the _______________ interval.?
Fill in the blank with correct word.
Examine the map of the plate boundaries and answer this question.
Oceanic trenches are present at all of the following locations.
A. A, C, H B. F, J, D C. H, J, E D. B, E, C
Even without the possibility of a nuclear accident, no primary energy source seems to generate more controversy and debate in the United States than nuclear power. Discuss three important environmental impacts that are a result of the normal operation of
a nuclear power plant. What will be an ideal response?