The most abundant source of methane in the globe is coal-fired power plants.
Answer: I believe the answer is A
Explanation:
When plants undergo photosynthesis, they make sugar. Why sugar? Because, it is one of their resources they need to survive. I know that they also need oxygen and water. Carbon dioxide is also vital in their survival. I hope this helps!
Mammals is the type of organism that least naturally
reproduced by cloning. Mammals reproduced by Sexual reproduction typically
requires the sexual interaction of two specialized organisms, called gametes,
which contain half the number of chromosomes of normal cells and are made by
meiosis, which usually a male fertilizing a female.