Cryosphere

What does the term 'cryosphere' refer to?

• The Earth's biosphere

• The parts of Earth where water is in a frozen state

• The Earth's atmosphere

• The Earth's core

How does the cryosphere help in regulating Earth's temperature?

• By absorbing solar energy

• By reflecting 90% of solar energy back into space

• By increasing the Earth's core temperature

• By trapping greenhouse gases

What has been the trend in Arctic sea ice over the past three decades?

• It has remained constant

• It has increased

• It has decreased

• It has fluctuated without a clear trend

Why is the cryosphere crucial for animals in polar regions?

• It prevents predators from entering

• It supplies abundant food resources

• It offers a warm climate

• It provides a habitat and hunting grounds

What role do observation satellites play in studying the cryosphere?

• They increase the ice melting rate

• They provide data on ice coverage changes

• They create artificial ice

• They reduce global warming