Australopithecus africanus lived approximately between 2.5 and 2 m. y.a. which means it coexisted with

In addition to carbon ,carbonate minerals contain

How did the completion of the transcontinental railroad change the lives of american citizens? a-it increased the wealth of all americans and enabled them to travel more.b-it made cross-country travel too expensive for ordinary americans.c-it decreased the safety of americans who moved to settle the plains.d-it shortened travel time between the east and west for all americans.

How do i do this? true or false? : elephants have the same dna as humans and bananas alike.