<span>b. photosynthetic organisms provide energy for other organisms on earth.
B is the most suitable answer as photosynthetic organisms get their energy from the sun, and other organisms get their energy from photosynthetic organisms, so the sun is the source of energy for all life.</span>
Answer:
I don't have space for the download can't you send screenshot
A. Arginine will make the charge of the polypeptide more positive.
The answer is b. the decreased migration of pests and pathogens