PLEASE HELP 1. how do you write equations for horizontal and vertical lines?

2. what is a relation and what makes it different from a function?

no, x cannot be the same number. in all of them, x is 1. for one input there is another output. g is not a function

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step-by-step explanation:

answer: the sun

explanation:

water cycle describes the evaporation of water from earth's surface, formation of clouds and precipitation water back onto the surface of earth. seventy percent of the earth is covered with water in the form of seas and oceans. the heat of the sun causes the evaporation of water from the surface of the ocean. the water vapors rise and condense to form water droplets. the collection of these water droplets form clouds which rain down again.

the evaporation of the oceans surface water as part of the water cycle is caused by the sun

the eight graders whould be the answer

step-by-step explanation: could you give me 5 stars