Which energy source generates the least greenhouse gases?

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

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?