Adding which to a pond would be least likely to harm the fish and other organisms living
there?

A. Hydrochloric acid

B. buffer

C. drain cleaner

D. ammonia

Deer cave cannot support photosynthesis is as not enough sunlight is present. in spite of this, it still has a complex food chain. what is the energy foundation of this food chain?

How does human environment effect the biosphere

Does anyone know what a poms statement is for biology? i don't know what it is and i have an assignment on it tomorrow, will award the best answer a brainliest!