Problem:
which list shows only things that put carbon dioxide into the atmosphere?

a. goats, burning fossil fuels, sea shells
b. planes, perfume, paper clips
c. people, coffee, rivers
d. fires, cows, factories

Building glycogen from glucose molecules is an example of what

Compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city, describe the parts of a cell and their primary function.

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