Ecological tipping points are the<span> points where environmental problems reach threshold level causing irreversible shifts in the behavior of natural systems. These are also called thresholds where the biodiversity changes.</span>
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
It took one year your welcome
Answer:
Considering that the star is less massive than the sun, the smaller mass of the star would provide a less strong force of gravity at any distance, and consequently a lower orbital speed. Thus, the year of the planet would be longer than that of the Earth.
Explanation:
