The oldest eon in geological time is the ordovician.
a. false
b. true

Why don't all places on earth receive the same amount of direct sunlight at the same place?

Which of the layers of the earth has the following three characteristics? i. it is made of molten rock. ii. it has currents that are constantly moving. iii. earth’s plates float on top of its currents.

Democratic vs democratic whats the difference? ?