I would say D. Fossil fuels must be burned to release their energy.
To be frank, I don't think your question is specific enough, but I would say that the answer would be the Rocky mountains, or just mountains. those are the only major kinds of landforms I can think of
Answer:
They felt taxation without representation was unfair.
Explanation:
The cardiac cycle is defined as the steps involving the conversion of deoxygenated blood to oxygenated blood in the lungs and pumping it by the heart to the body through the aorta. So i think it would be stable over the years unless u have factors that will affect the cycle depending on a persons health
