Two major problems associated with petroleum products are the environmental hazards associated with its extraction from the earth and also the environmental impact of its burning which emits greenhouse gases into the atmosphere which has been shown to cause global warming and climate change.
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:
El Salvador
Explanation:
While the majority of the republics have both the Caribbean and a Pacific coast, Belize only has a Caribbean coast and El Salvador only has a Pacific coast. Central America comprises the countries south of Mexico and up to Panama.
The most appropriate answer is "As the growing planet was clearing its path around the sun, two large planetessimals collided, tipping the growing planet". This phenomenon happened to the earth in the early stages of the development of the solar system. Scientist theorize that a planet called 'Thea' collided with the Earth. This collision resulted in the present tilt in the Earth's axis and the creation of the moon.
