Question

Observation of tool-making among chimpanzees was revolutionary primarily because scientists believed _______. a. chimpanzees lacked the dexterity to make tools b. tool use was a defining characteristic of humans c. tool-making was a defining characteristic of humans d. none of the above Please select the best answer from the choices provided A B C D

Answer 1

Which activity produces the smallest amount of greenhouse gases?
a.
driving a car
b.
riding a bicycle
c.
cooking with gas
d.
operating a generator

Answer 2

What do you think it is?

Answer 3

b

Answer 4

it would b B

Answer 5

thanks