What does it mean if a scientist fails to reject a hypothesis?

All living organisms are composed of a. only one cell. b. at least 100 cells. c. at least three cells. d. one or more cells.

What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?