Why does the combination of respiration and photosynthesis allow a sealed environment to survive almost indefinitely? A. They recycle each other's materials.
B. They do not allow a sealed ecosystem to survive.
C. They each sustain a different part of the food chain.
D. They create new energy to be used.

A. They recycle each other's materials.

Explanation:

Respiration brings out carbon dioxide which is good for photosynthesis.

And photosynthesis also brings out oxygen used for respiration.

Hope it helps.

c-reactive protein (crp) is an acute phase protein belonging to pentraxin family of proteins, whose levels increases 1000-fold or more in concentration in blood during the occurrence of an injury, inflammation or tissue death.

answer; i believe the correct answer is (anemia);