The most important known inhibitors of the etc are:
a. amytal
b. rotenone
c. antimycin a
d. co
e. sodium azide
f. cyanides
indicate the nature of each of these inhibitors (what are and how/where do they exert their effect on etc.

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

you're crazy : )

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.

not always but somethings can be reproduced in a laboratory.