The answer is D. at least im pretty sure...
<span>X-ray crystallography, was the tool
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Answer:
Mosquito breeding grounds can be eliminated at home by removing unused plastic pools, old tires, or buckets; by clearing clogged gutters and repairing leaks around faucets; by regularly (at most every 4 days) changing water in bird baths; and by filling or draining puddles, swampy areas, and tree stumps.
Starlight travels through space by radiation which moves in waves at the speed of light, which is close to almost 300,000 kilometers per second. As space is vast and continuing to expand, the starlight that we see may have been travelling millions of years already, with the actually star already extinct.