Question

1. The Mississipi / The Mackenzie/Sulawrence - is the longest river of
Canada.
2. Petroleum is extracted by – Drilling / Quarrying / Open cast mining method.​

Answer 1

Answer:

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Answer 2

Answer:

The longest river in Canada is the Mackenzie River in the Northwest Territories, measured at 4,241 kilometers in length, in comparison to the St.

Petroleum reservoirs can be found beneath land or the ocean floor. Their crude oil is extracted with giant drilling machines. Crude oil is usually black or dark brown, but can also be yellowish, reddish, tan, or even greenish