Unit 7: Section 1-Climate Change

Front

What is the primary cause of climate change in recent times?

Back

Human activities

Front

Which greenhouse gas is primarily responsible for the greenhouse effect?

Back

Carbon dioxide

Front

What is the main difference between an ice age and an interglacial period?

Back

Ice ages are characterized by colder temperatures and glacial expansion.

Front

Which human activity contributes the most to the increase in greenhouse gases? Options: Deforestation, Agriculture, Fossil fuel use, Wind power generation

Back

Fossil fuel use

Front

What is the process called when human activities release excess carbon dioxide into the atmosphere?

Back

Greenhouse effect

Front

What is the main reason why greenhouse gases trap heat in the Earth’s atmosphere?

Back

They absorb and radiate infrared radiation.

Front

Which gas is released from permafrost melting in the Arctic?

Back

Methane

Front

Which of the following gases is a major component of the greenhouse effect? Carbon dioxide, Oxygen, Nitrogen, Hydrogen

Back

Carbon dioxide

Front

What is the main consequence of rising global temperatures?

Back

Melting of polar ice caps

Front

What is the primary cause of the increase in global surface temperatures over the past century? Options: Increased volcanic activity, Changes in Earth's orbit, Human-driven carbon emissions, Solar radiation changes

Back

Human-driven carbon emissions