What are the sources of hydrogen in the thylakoid? choose all that apply
1.breakdown of glucose
2.pumping of hydrogen across that thylakoid
membrane
3.splitting of water
4.splitting of CO2

splitting of water + pumping of hydrogen across that thylakoid membrane.

Explanation:

multiply it by 5 in order for you to understand i cant give an exact answer.

answer;

c. a tree whose roots are surrounded by wet sand.

explanation;

water stress is an important factor limiting the growth and productivity of forests.water stress is the most often cited cause of poor survival and growth of woody landscape plants.

-insufficient soil moisture is the most common form of water stress, but excess moisture that leads to poor soil aeration (hypoxia) can also result in reduced plant vitality. a tree whose roots are surrounded by wet sand would be least likely to experience water stress.