While autotrophs perform photosynthesis, use respiration. A. only autotrophs
B. only heterotrophs
C. autotrophs and heterotrophs

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles

What is the farthest destination to date for a human spaceflight mission?

All organisms contribute some water to the water cycle by conducting