30km. 24 the first two hours and 6 the half hour
A. Food chain
A food web also shows the flow of energy and materials through an ecosystem but in a complex web, not a single chain. A biogeochemical cycle does not deal with the flow of energy/materials through an ecosystem at all.
Answer: Before the jump, the snowboarder would carry potential energy.
During the jump he will carry kinetic energy.
And after the jump, assuming hes at a full stop, he will carry potential energy once again.
Answer:
B
Explanation:
Density is about how closely compact molecules are. (^-^)
The object is fixed relative to the motion you are trying to describe.
