Answer:
The oil sands are a strategic resource that contributes to economic opportunity and energy security for Canada, North America and the global market. The oil sands comprise 167.2 billion barrels of crude oil – 97 percent of Canada’s 172.5 billion barrels of proven oil reserves – and are a vital part of the Canadian economy.
Source: nrcan.gc.ca
Answer:
Different layers represent clouds made of gases that condense at different temperatures. The gases will condense to form clouds at different altitudes on different planets because the condensation of a gas requires a specific amount of pressure and temperature.
Answer:
The sun
Explanation:
The sun drives the water cycle. The sun evaporates water from the oceans, seas, lakes and other bodies of water and also from plants through the process of transpiration. The evaporated water then forms into clouds and when it gains enough mass it falls back to Earth. This is a closed system so that means that this is the same amount of water that has always been present on Earth.
Answer:
mountain chains, earthquakes, volcanoes.
I’m not sure but try Russia and América hope it helps let me know if I’m wrong:)
