Answer:
Explanation:
Continents are the seven main divisions of land on Earth. A continental shelf extends from the coastline of a continent to a drop-off point called the shelf break. From the break, the shelf descends toward the deep ocean floor in what is called the continental slope.
Heart rate, color, irritability, muscle tone, and breathing
Answer: use solar energy then
Explanation:
During exercise stroke volume increases because more blood is sent back to the heart due to the muscles squeezing blood in the veins