Question

Which of the following contains the largest percentage of the Earth's water?
Atmosphere
Oceans
Ice/Snow
Vegetation
What is the defining characteristic of a water cycle?
The water passes through at least five different locations.
It does not include any human water usage.
It passes through plants, animals and the ocean.
It has the same starting and ending point.
What human activity uses the most water, worldwide?
Drinking
Industry
Agriculture
Bathing
Where is the majority of the Earth's fresh water stored?
In glaciers and icecaps
In lakes
In plants
In the atmosphere
What sequence of processes transports water from the ocean into a cloud?
Evaporation and condensation.
Condensation and freezing.
Precipitation and condensation.
Evaporation and precipitation.

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Answer 1

Here are the answers (letter + choice) with brief reasons:

1) B — Oceans. (Most of Earth’s water is in the oceans ~97%.)
2) D — It has the same starting and ending point. (A cycle is continuous; water returns to its starting state.)
3) C — Agriculture. (Irrigation and livestock use the largest share of human water use worldwide.)
4) A — In glaciers and icecaps. (Most fresh water is stored as ice in glaciers and polar ice caps.)
5) A — Evaporation and condensation. (Water evaporates from the ocean, then condenses to form clouds.)