Not enough oxygen
rainforests will turn into desserts like the Sahara dessert which use to be a tropical place.
Answer:
The sun, or abiotic factors
Explanation:
Primary producers are organisms that make their own food, such as plants. They do this through photosynthesis, which requires sunlight, water, and carbon dioxide.
I think it’s B too, They were very mean to the natives and stole their land by being violent
The answer is true (a) because if the life cycle suddenly doesn't work, this will have an impact on all other organsims
The answer is “D” A volcano was nearby at one time
