A or C is the right answer.
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
gene flow or migration between two populations will help maintain similarities between the species, therefore preventing (or slowing down) the process of speciation. and when the environment changes rapidly, this can cause an overall decrease in population size because of a failure to adapt adequately to environmental changes. i hope this helped <3
The size of stomata to check transpiration
Most likely clay, silt and sand are to be found in samples of rocks.
