When the sea floor spreads or collides it creates breakages which would be ocean ridges and deep sea trenches
I believe its D I hope it helps
Answer:
Explanation:
You need the respiratory system when you kick a ball because you need to be able to breath but if you are playing soccer this benefits the cardiovascular fitness level. Cardiovascular fitness is, according to the American Sports Medicine Institute, the efficiency of your heart, lungs and vascular system to deliver oxygen to your muscles to maintain activity.
Answer:
Trait
Explanation:
We call a specific variant of a character a phenotypic trait.