What role does gravity play in the water cycle? 50 pts

Answer/explanation:

Role of gravity in water cycle

Gravity moves air and ocean water. The gravity force less dense air and water to move upward ( cool dry air is denser than warm, humid air and cool, salty water is denser than water downward.

The warm water is moved to the surface by gravity where it is heated up with sunlight and evaporates keeping the water cycle moving.

The gravity also affects the precipitation, when the clouds convey too heavy water droplets, pulling the droplets to fall in form of rain towards the earth.

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explanation:

substituting a hydrogen atom with a halogen in a hydrocarbon:

- the single bond remains single. a is wrong.

- the bond with hydrogen is as strong as with a halogen. c is wrong

- a hydrocarbon is saturated if there is no double bond. we do not know that so d is wrong.

- carbon will always have four valence electrons. e is wrong.

by elimination, the correct answer is b. the boiling point of the new compound increases.