Biogeochemical cycles include living things, nonliving things, and the flow of elements through and around the earth. True or False

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity

Aristotle classified animals according to their a. habitat and mating behavior c. mating behavior and relatedness b. habitat and physical differences d. physical differences and mating behavior

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing