The Earth's surface is warmed because .

1.the atmosphere absorbs more short-wave radiation than the land
2.land and water absorb more short-wave radiation than the atmosphere
3.the ionosphere traps the sun's heat
4.it absorbs all of the sun's radiation

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

What is earths lithospheric plates interact at

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?