Janine is pushing a toy car along the floor. As the car moves, work is being done. The fact that the car is moving and work is being done shows that
A. cars are always working.
B. a force is not present.
C. energy is present.
D. the car is moving quickly.

Depending on the organism the number of in a cell may change

Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.