How does increasing and decreasing the temperature affect the kinetic energy of molecules? Please help

If the temperature is increases, the average speed of the kinetic energy will also increase but when the temperature is decreased, the container wall area decreases and therefore molecule-wall collision frequency also increases.

b is the best answer for this question.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.