earth
50

how much water covers the earth?

water covers 70% of the earths surface.

50

how many moons does earth have?

earth has one moon.

100

How long is a day on earth?

A day on earth is 24 hours.

200

how much salt water is on earth?

96% of earths water is salt water.

300

how far is the sun from the earth?

earth is the third planet from the sun.