Changing the way you learn

Question	Answer
preserving	to keep something as it is, especially in order to prevent it from decaying or being damaged or destroyed
protecting the environment	refers to any activity to maintain or restore the quality of environmental media through preventing the emission of pollutants or reducing the presence of polluting substances in environmental media
fossil fuels	fuels, such as gas, coal, and oil, that were formed underground from plant and animal remains millions of years ago
greenhouse gases	a gas that causes the greenhouse effect, especially carbon dioxide
global warming	a gradual increase in world temperatures caused by gases such as carbon dioxide that are collecting in the air around the earth and stopping heat escaping into space
endangered	in danger of being harmed, lost, unsuccessful,
renewable resources	are an energy source that cannot be depleted and are able to supply a continuous source of clean energy
natural disasters	a natural event such as a flood, earthquake, or tsunami that kills or injures a lot of people
homeless shelters	are a type of homeless service agency which provide temporary residence for homeless individuals and families
welfare programs	Welfare programs are typically funded by taxpayers and allow people to cope with financial stress during rough periods of their lives.

Global problems

	Created by Bianca Deyaneira De León Leonardo about 4 years ago