How does current affect biodiversity in rivers and streams? a. it prevents bacteria and algae from living in rivers and streams. b. it causes a decrease in biodiversity by preventing organisms from remaining in rivers and streams. c. it mixes the nutrients for plant and animal use and determines location of organisms. d. it has no affect on biodiversity..

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d