A student researching glaciers has taken the following notes:
• Glaciers contain about 69% of Earth's fresh water • They form when accumulated snow compresses into ice over centuries • Glaciers have retreated significantly since the Industrial Revolution • Melting glaciers contribute to sea level rise • Many communities depend on glacial meltwater for drinking water
The student wants to emphasize glaciers' importance as a freshwater source. Which choice most effectively uses relevant information from the notes?
Glaciers form when accumulated snow compresses into ice over hundreds of years.
Containing 69% of Earth's fresh water and supplying drinking water to many communities, glaciers are a critical freshwater resource.
Glaciers have retreated significantly since the Industrial Revolution began.
Melting glaciers contribute significantly to rising global sea levels.
Correct Answer: B
Choice B. 69% of freshwater and community water supply show freshwater importance.