Chapter 3: How does human activity affect the environment? And S

It is the slow increase in the average temperature.

• Global warming

• Earth heat

• Land warming

The layer and layers of gases that surround the Earth

• Crust

• Hydrosphere

• Atmosphere

It is a green-house gas

• Carbon-dioxide

• Oxygen

• Hydrogen

This gas is released by animals as they digest their food, and from wetland areas as the wet vegetation decays

• Methane

• Oxygen

• Hydrogen

A road transport

• Car

• Cruise

• Helicopter

Adding fertilizers to soil can result in more nitrous oxide being released into the atmosphere

• True

• False

One impact of global warming

• Disappearing ice sheets

• Behavioral issues

• sun rising in the horizon

• fresh water bodies are being polluted by humans

As global temperatures are rising, the size of the ice sheets is increasing

• True

• False

It means it can keep on going at a certain level.

• Sustainable

• Hydrosphere

• Atmosphere

The planet is a system in which everything is connected: the environment, the people and the economy

• True

• False