Answer:
b?
Explanation:
all of them are a community because a community coonsists of different types of organisms working together in an envoirment
Answer:
1. Global warming is the change in the climate of the earth causing it to heat up whereas the greenhouse effect is a naturally occurring phenomena, constantly occurring due to the atmosphere and sunlight.
2. Carbon dioxide absorbs heat radiating from the Earth's surface and re-release it in all directions—including back toward Earth's surface.
3. Decomposition, ocean release and respiration.
The single-celled zygote divides by mitosis to produce a multicellular, somatic individual.