Avery long time, sometimes hundreds of years, to change a species
a) evolution
b) photosynthesis

your answer is A evolution because photosynthesis does not take several years to change, but evolution is a change in the genetic material that can take a long time.

answer; a male inherits only one allele of the x-linked gene controlling hair color;

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.