13. all organisms need some source of to live.
which of the following recycle nutrients through an ecosystem?
a. producers
b. consumers
c. decomposers
d. all of the above

Explain what makes a passenger in a turning car slide toward the door. critical thinking

Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat

In a star, nuclear fusion occurs in the a. photosphere. b. corona. c. radiative zone. d. core.