<span>would be the DNA match. In RNA, the Ts are replaced by Us, so the RNA match .</span>
Your answer would be A Osmosis,
The factor given in the choices that will probably decrease population density would be C. forest fire. Normal rainfall is beneficial to the ecosystem to help grow the vegetation and in result, benefits the consumers. Predators decrease the population while birth rate can also increase population.
HIV does revers trancription...it adds DNA formed into host cell...causing host cell to form more and more copies..such its destroys whole T lymphocytes of body