21. one easy way to prevent water pollution is to conserve water.
a. true
b. false

22. water is constantly moving in a cycle between the atmosphere and the soil.
a. true
b. false

23. if waste from livestock is not disposed properly, agricultural pollution can occur.
a. true
b. false

24. every living thing does not need water.
a. true
b. false

25. water pollution cannot only affect the earth's water supply but it can also affect the soil.
a. true
b. false

i will appreciated if someone could me. its due tomorrow. 21-25 !