Plants require energy to grow and thrive in their environment, and the process of cellular respiration allows plants to break down glucose into ATP, which provides energy they need to carry out various functions.
Acid Rain is the problem threatening many of Europe's (most specifically Germany's) forests, lakes, and rivers. Acid rain travels via the wind and the acid pollutants can travel through this said wind to multiple countries. It was a large problem in the 1970's and 80's.
C. Pea plants can have yellow seeds or green seeds
