Diffusion, osmosis, or active transport.
Answer:
2 valence electrons
Explanation:
All of the elements in group 1 have 1 valence electron, the elements in group 2 have 2 valence electrons, and so on.
Answer: Interventional Study
Explanation: When a treatment group is compared to standard (control) group it is called Interventional Study
<span>The light of color, and the type of plant would be controlled variables. The growth rate would be the dependent variable, and the independent variable would be the amount of light.</span>
