The idea of evolution has been tested repeatedly and has much evidence to support that life has changed over time. the idea of evolution is a
a. hypothesis
b. theory
c. observation

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.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

b exhibiting favoritism toward the kikuyu people.