Evaporates can provide an ideal speed racing surface? true or falsse

It's True.

(I got it wrong when I put false.)

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.