If only 10% of the energy in one trophic level is passed on to the next level, then where does the remaining 90% go? A. The energy is used by organisms for various life processes.
B. The energy is lost as heat.
C. Both a and b are correct.

I think it's a. eueuwuue

Explanation:

y

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.