the answer is it has a long half life
Photosynthesis takes place in B. In chloroplasts because that's where the plant's green color is produced.
Answer:
D. it takes millions of years to form
In biology, diffusion is the movement of substances with the concentration gradient, which means they move from an area of high concentration to an area of low concentration. Facilitated diffusion is diffusion that is performed with the help of a carrier protein that can move particles of the substance.