Multiple choice: 1.) Why is fresh water a limited resource?

Groundwater is too difficult to access.
The supply of water on Earth decreases over time.
Most water covering Earth is salt water.
Too much water is wasted on irrigation.

3.) How does a lack of access to clean water affect communities?

increase in drought conditions
increase in sanitation
decrease in water privatization
decrease in educational achievement

Multiple choice, select the 2 correct answers:
3.) Which of the following are ways warming temperatures contribute to rising sea levels? Select the two correct answers.

a - Continental snow and ice melt.
b - Water expands as it warms.
c - Rainfall increases.
d - Sea ice melts.