An important measure of whether an activity is sustainable is the amount of carbon dioxide emitted by the activity, also called what?

A. Its carbon footprint

B. Its renewability

C. Its energy usage

D. Its design iteration

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?

What is turgor pressure, what causes it, and what does it do for a plant?