Answer:
Speed is measured over time.
Explanation:
Answer:
For this reason, the existence of Mesosaurus helps support the theory of continental drift; that is, the now-well-attested fact that South America and Africa were joined together into the giant continent Gondwana 300 million years ago before the continental plates supporting them broke apart and drifted.
Explanation:
125 Each half life it divides by 2 the amount
1000/2=500
500/2=250
250/2=125
