Answer:
Explanation:
The first question is option 3 and the second is option 2 and 3
Answer:
Countries trade with each other when, on their own, they do not have the resources, or capacity to satisfy their own needs and wants. By developing and exploiting their domestic scarce resources, countries can produce a surplus, and trade this for the resources they need.
Answer:
Water distribution
Explanation:
The human body uses water in all their cells as matter fact the tissues in body and brains need water to regulate the flow of temperature. As energy is needed for breathing and sweating and digestion also hence the water is needed as important component in the body and thus its prope distribution is a must. 95 percent of human body is amd up of water in the from of fluids, without water civilization would not have existed.