Well it is triples you can tell that it is a division question. So triples means by 3.
The equation is 2,551,500 = d X 3^6. So, now 2,511,500 / 729 is your final answer, 3,500. Hope it helps :)
(D) It is caused by rhinovirus.
I am more of a chemistry person, but my best answer is the double-helix structure. The DNA rotate around a central point allowing it to keep a constant distance
Answer: placer mining
Explanation: g.o.o.g.l.e is a very great thing
Answer:
Coal
Explanation:
it's expells the most CO2 into the atmosphere
