Q9. Many communities in Canada take their drinking water from rivers, lakes or reservoirs. Why do they need to understand how chemicals are
transported in surface water? *

The people in Canada who take their water from unfiltered water, and the people who just drink from rivers, lakes or reservoirs have to understand how chemicals are transported in surface water because when the chemicals are transported, they can be inhaled without knowing.

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because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates