D. He has an aerator that pumps bubbles into the tank
Answer:
people may get sick or kill their crops by using water thats from unfilter or unsustainable, they're could sometimes be bad chemicals and bacteria in the water
Position and movment are controlled and uncontrolled by climax or orgasms
Answer:
The main factors affecting rate of photosynthesis are light intensity, carbon dioxide concentration and temperature.
Explanation: