Which best describes a centromere?
sister chromosomes that are held together by a chromatid
O paired chromosomes that have genes arranged in the same order
the part of a chromosome that joins the sister chromatids
the material that makes up a chromosome

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.

the answer is c.) there is a warm front in region a and a stationary front in region b.

it’s lava came from an explosive eruption