2. How rust is formed? A. oxygen B. water/moisture C. heat D. A and B

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity

What molecule contains an organisms genetic material, passed down from parents to their offspring