You ride your bike to a friends house that is 5 km from yours. it takes half an hour to do this . what is your speed?

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Injuries in the environment are a result of

The permo-triassic extinction event had a greater impact on the number of earth’s species than did the extinction event at the end of the cretaceous. question 4 options: true false