One of the two types of life insurance is : a. two-term insurance b. whole life insurance c. terminal life insurance

Liquid water turns into water vapor at which step in the water cycle? a. precipitation o b. water run off c. evaporation d. condensation

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?

Which blood cell spend most of their time in the lymphatic system?