<span>C. The study includes too many variables. </span>
Petrified wood is the most common type of carbonized fossil.
Yes because if there is too much vegetation and not enough omnivores or herbivores the carnivores could eat all other animals and the eventually go extinct because of food loss and starvation. <span />
The primary function of the Calvin cycle is to change carbon dioxide into usable energy known as glucose. The Calvin cycle is the second stage ofphotosynthesis, which is the process a plant goes through to make glucose from sunlight, air, and water.
Glad to help you :)
-liyah❤