Which of the following patterns were witnessed by darwin except that species vary
a. over time
b. locally
c. around the world
d. within very short spans of time

Which of the following is a cost of urbanization? a-cities can provide a high standard of living. b-cities are hubs of entertainment and education. c-paving over land changes the environment. d-job opportunities are greater in urban centers.

What do transitional fossils best support?

Which does not describe a physical change happening to water? water evaporating in the sun water reacting with nitrogen gas water freezing and being broken apart with a knife water heating up on a stove