Unit 9

Question 1

What is global change?

Answer 1

Global change refers to significant and lasting transformations in the Earth’s system, including climate change, biodiversity loss, and changes in land use.

Question 2

True or False: Global change only affects the climate.

Answer 2

False

Question 3

Fill in the blank: The main driver of climate change is __________.

Answer 3

human activities

Question 4

What are greenhouse gases?

Answer 4

Greenhouse gases are gases that trap heat in the atmosphere, contributing to the greenhouse effect and global warming.

Question 5

Name one major greenhouse gas.

Answer 5

Carbon dioxide (CO2)

Question 6

Multiple Choice: Which of the following is NOT a consequence of global change? A) Sea level rise B) Increased biodiversity C) Extreme weather events

Answer 6

B) Increased biodiversity

Question 7

What is the role of deforestation in global change?

Answer 7

Deforestation contributes to global change by increasing carbon dioxide levels in the atmosphere and reducing biodiversity.

Question 8

True or False: Urbanization is a factor in global change.

Answer 8

True

Question 9

Fill in the blank: The __________ is a scientific consensus on the urgent need to address climate change.

Answer 9

Intergovernmental Panel on Climate Change (IPCC)

Question 10

What is the impact of global warming on polar ice caps?

Answer 10

Global warming leads to the melting of polar ice caps, contributing to sea level rise.

Question 11

Multiple Choice: Which of the following is a strategy to mitigate global change? A) Reducing fossil fuel use B) Increasing plastic production C) Ignoring climate policies

Answer 11

A) Reducing fossil fuel use

Question 12

What is biodiversity loss?

Answer 12

Biodiversity loss refers to the decline in the variety of life on Earth, including the extinction of species and degradation of ecosystems.

Question 13

True or False: Climate change can lead to food insecurity.

Answer 13

True

Question 14

Fill in the blank: __________ is the phenomenon of increasing global temperatures due to human activities.

Answer 14

Global warming

Question 15

What are the potential effects of ocean acidification?

Answer 15

Ocean acidification can harm marine life, particularly organisms with calcium carbonate shells, and disrupt marine ecosystems.

Question 16

Multiple Choice: What is a carbon footprint? A) The total emissions of carbon dioxide related to an individual or entity B) The amount of carbon stored in trees C) The rate of carbon absorption by oceans

Answer 16

A) The total emissions of carbon dioxide related to an individual or entity

Question 17

What is the significance of renewable energy in addressing global change?

Answer 17

Renewable energy sources reduce reliance on fossil fuels, lowering greenhouse gas emissions and mitigating climate change.

Question 18

True or False: Global change affects only developed countries.

Answer 18

False

Question 19

Fill in the blank: __________ refers to the gradual increase in Earth’s average temperature due to human activities.

Answer 19

Climate change

Question 20

What is the Paris Agreement?

Answer 20

The Paris Agreement is a global treaty aimed at reducing greenhouse gas emissions and limiting global warming to below 2 degrees Celsius.

Question 21

Multiple Choice: Which of the following is a renewable energy source? A) Coal B) Solar energy C) Natural gas

Answer 21

B) Solar energy

Question 22

What is the relationship between global change and natural disasters?

Answer 22

Global change can increase the frequency and severity of natural disasters, such as hurricanes, floods, and droughts.

Question 23

True or False: Climate change can impact human health.

Answer 23

True

Question 24

Fill in the blank: The __________ effect describes how certain gases trap heat in the atmosphere.

Answer 24

greenhouse

Question 25

What role do carbon sinks play in global change?

Answer 25

Carbon sinks, such as forests and oceans, absorb carbon dioxide from the atmosphere, helping to mitigate climate change.

Question 26

Multiple Choice: What is the main goal of sustainable development? A) To maximize economic growth B) To meet the needs of the present without compromising future generations C) To exploit natural resources

Answer 26

B) To meet the needs of the present without compromising future generations