The process of fermentation happens A
whenever a plant receives direct sunlight.

B
when there is too much glucose for aerobic respiration.

C
whenever the muscles need more acid.

D
when there isn’t enough oxygen for aerobic respiration.

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

Astudent conducts an experiment to determine how the amount of water given to a plant affects its growth. what is the independent variable for this experiment?

What two categories of toxins were present in the air at dish,texas as a result of the gas pipelines that pass through the area