Okay. About 71% of the Earth's surface is water. And salt water holds about 96.5% of all the Earth's water. The remaining 3% of freshwater is found in Glaciers and ice caps making it difficult to use because it is frozen. Other places freshwater can be found is: Lakes, swamps, rivers and the atmosphere. I hope this helps!
Food chains and food webs are used to show the movement of energy and matter through an ecosystem. ... These elements move from the producers, to the consumers, and eventually to the decomposers, cycling the matter through the ecosystem.
Pulse can be felt in neck, temples and veins.