Answer:
Answer is D. All of the above
A homogeneous mixture composed of two or more substances
Explanation:
Chlorophyll make food the plant can use from carbon dioxide, water, nutrients, and energy from sunlight. This process is called photosynthesis. During the process of photosynthesis, plants release oxygen into the air. People and animals need oxygen to breathe.
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Answer: 1 mol of carbonate to 2 mol of acid
Explanation:
To calculate the number of moles for given molarity, we use the equation:
a)
b) 
Thus the mole ratio of carbonate to acid is = 
Mainly around the equator, since it receives the most direct sunlight year round.