I believe it is A because the plant is offering protection while the bacteria is converting it in to nitrogen that the plant can use!
Answer:
argon
Explanation:
argon inhibits evaporation, and prevents corrosion
Answer:
1
all matter is made of tiny particles called atom
Answer: You can use Boyle's law, which states that pressure is inversely related to volume when other variables are held constant. If the final pressure of a gas is half of the initial, the volume must double if temperature is to remain the same.
Explanation: