older
the deeper you dig into the earth, the farther back into history you are going.
The prefix "cardio" refers to D. heart
I assume the mountainous area.
Explanation: Hydroponic describes planting without soil. When there is erosion on a mountain area, any soil or dirt would likely go away.
Hope this helps!
Answer:
chemicals are dumped into lakes and rivers
Explanation:
all the other choices are results of cutting down trees
Answer:
Water based fluid
Explanation:
The internal environment consists of water based fluid in which the cells of the body present. A fluid called interstitial fluid or tissue fluid bathes the cells and provides essential nutrients to the cell. The human skin has fatty layers that helps to maintain internal heat which is produced by the body when the outside environment is cold. When there is cold in the environment, people lives in warm shelters and wear warm clothes in order reduce the impact of cold environment.