Understanding density can you predict if a. an object will roll. b. an object will deflate. c. an object will sink or float.

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.

What best explains the inability for life to exist in earth early atmosphere

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet