By studying fossils, scientists have learned that a. neither animals nor plants have changed over time. b. animals have changed over time, but plants have not. c. both animals and plants have changed over time. d. plants have changed over time, but animals have n

Which of the following is situated at the base of the lungs? a. diaphragm. b. larynx. c. bronchi. d. pharynx.

In 1859, the english naturalist charles darwin published a book entitled on the origin of the species. one of the major ideas that was presented in his book was the theory of natural selection. what was another idea that was presented in his book?

Science describe how heat moves in a convection current. how is this process responsible for moving earth’s tectonic plates? discuss two ways that humans are impacting our earth. be sure to pick one way we are impacting our land, and one way we are impacting our water. then, create an action plan that includes a way that you and your family can protect the earth from these impacts