What unit of time on Earth is based on the rotation of the Earth? A. day
B. hour
C. month
D. year

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

In general, did the simulated mice align with your predictions from the punnett squares? yes or no?

Land conservation is a worldwide priority. there are several methods to prevent the loss of land due to a variety of reasons. which method is not a way to conserve land? a) sea walls b) rainwater harvesting c) limits on clear cuts of forests d) cut and burn methods of clearing land