By measuring the height of the tortoise, this scientist is gathering

What was the land like over 500 million years ago? what was under the sea?

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

Which statement explains how gravity and intertia work together