PLEASE HELP EMERGENCY PLEASE!! When you look at sand under a microscope, you know that it is not a living thing. Why?

It is made of cells

It is NOT made of cells.

It does photosynthesis

(This is 7th grade science)

Which of the following statements best describes the relationship between the environment and human health? a. the environment is the only factor that affects human health. b. many aspects of the environment can have an impact on human health. c. human health is impacted by changes in climate. d. the environment has no impact on human health. select the best answer from the choices provided

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they

What are they five steps of cloning?