D. three-quarters of earth's water is fresh water.
They can occur anywhere between the Earth's surface; about 700 kilometers<span> below the surface.</span>
Water shortage, domestic waste, coastal erosion
The answer is 300.
Sorry this answer is so late, I was just learning about it! Hope it helps. :)
Answer:
d) Principle of Conservation of Matter
Explanation:
Principle of Conservation of Matter -
According to the law of conservation of matter, matter is the substance which ac not be created and even it can not be destroyed , hence we need to have the same number of atoms before and after the reaction constant during a chemical change or process of chemical as were number of atoms and type of atoms present before the chemical change .
Hence , from the options , the correct answer is the Principle of Conservation of Matter .
