Answer:
I'm not too sure but I think it's the need for medical plants
I would have chosen the need for oil, but I can't think of the way oil affects plants
The answer is B. Because, The correct match is like this : Adenine-Thymine and Guanine-Cytosine. A-T and G-C
B)weathering is the main way phosphorous is recycled
Mitosis makes copies of the host, so it is a good option to increase the population because it is a fast process. Meiosis is important to create genetic diversity, because it makes four genetically different haploid cells, instead of two genetically identical diploid cells, as mitosis does.