They are formed primarily on the cell's Ribosomes.
Answer:
Energy, unlike matter, cannot be recycled in ecosystems.
B
Publish his findings in a research journal because he is experimenting what medicinal properties can be tested or are associated with the plant. He should have kept the notes in a research journal for making observations so B.
B. Macromolecules is the answer.
Because by dust blocking the sun, plants would not being able to survive due to lack of food and could no photosynthesize which in turn would provide less oxygen to other organisms and would also decrease the population of herbivores because they would have no plants to eat and this in turn would decrease the amount of food for carnivores. This would essentially starve the population of the earth