chapter 2 quizzezz

why does basic life exists on earth

• due to earths distance from the sun

• water + oxygen levels

• cause earth is the only planet with water

over billions of years what has shaped the earth

• erosion

• water

• humans

• volcanic activities

how many planets orbit around the sun?

• 7

• 8

• 9

what order are the planets in

• mercury, venus, earth, mars

• mar, jupiter, saturn

which planets are the inner or nearest to the sun?

• Mercury, Venus, Earth, Jupiter

• Mercury, Venus, Earth, Saturn

• Mercury, Venus, Earth, Mars

the inner planets...

• are not terrestrial

• are terrestrial

the inner planets are...

• solid

• liquid

• simi solid

how many planets are there?

• 7

• 8

• 9

• 10

what does earth's relation to the sun allow?

• gas

• liquid water

• both liquid water and gas

what percent of the earth is water?

• 30

• 71

• 70

• 71.8