How has our relationship with milk changed pollution in the last 200 years?

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

What's the waste product of electrons and pyruvate combining in fermentation?  

The third stage of cellular respiration is (2 points)