Which of the following describes how dna provides evidence to support that life changes over time

a- some animals exhibit similar stages of embryonic development
b- some animals exhibit structural that are no longer used for any purpose
c- some animals exhibit similar genetic code

Although all are true, it is B.

Vestigial structures indicate that the animals evolved from an ancient ancestor.

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.