At least 12 million years ago?
Answer:
Explanation:
Scientific theory: a well established, highly reliable explanation
Scientific hypothesis: makes predictions of future events/
Both: based on observations of natural phenomenons/ can be tested by many researchers
Answer:
Yes.
Explanation:
Produced from starch by partial hydrolysis, it is usually found as a combustible/explosible, white, hygroscopic spray-dried powder.
Answer:
From the air
Explanation:
For plants especially its the sunlight. The animals then eat the plants transferring the carbon into their bodies.
