Most of Canada's population lives on its southern border (near US border).
Explanation:
The reason why most Canadian population lives in southern border is basically because most of Canada is very far north (it claims all the land to the North Pole), and only the southern regions are inhabitable. More practically, the people live where the agricultural land is located which were friendlier for them to do farming and agriculture.
The government has to release mercury into the environment because we can not get rid of mercury. It is released from the burning of fossil fuels, from various natural resources and industrial activities. And, it can not be left at the place of emission because it is very harmful and accumulates in the organisms. Therefore, regulations are made to control the amount and the place of release of mercury.
b. The fault is younger than the layers it cuts through, but older than the layers above it.
Explanation:
Since the fault cuts through the lower rock layers and terminates against the ones above it, we can conclude that the fault is younger than the layers it cut through but older than the layers above it.
We know this based on the principle of cross-cutting.
The principle of cross-cutting relationship suggests that "a fault and an intrusion is younger than the rocks they cut through".
- This principle is very important in determining the relative age of sedimentary strata.
- The rock units through which a fault permeates must have been there before the fault formed. So they are older.
- If the overlying layer above the fault is not affected then it is younger than the faulting event
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