It occurs when and where there is not enough water to meet both demands and those of ecosystems to function effectively.
China and India control over one-third of all the world's population.
Answer: D
Explanation: Newton’s Law. The more mass two objects have, the greater the force of gravity the masses exert on each other. If one of the masses is doubled, the force of gravity between the objects is doubled.
I believe it is D. International date line, because the question holds the answer. When you say "Different days" it kind of gives the answer away.
Hope this helps :)
