What factor(s) can affect diffusion speed? None of the answer choices affect diffusion speed.

size of the diffused materials

shape of the diffused materials

size of the diffused materials and shape of the diffused materials

Look at the images of different rocks. which rocks have a fine-grained texture? check all that apply. 1 2 3 4 5

Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.