Which of these potential sources of water pollution is excluded from the

Clean Water Act?

O

A. Drainage pipes

O

B. Oil tankers

O

C. Agricultural runoff

O

D. Lakes, rivers, and streams

C. Agricultural runoff

Explanation:

Clean Water Act is a U.S. federal law that controls the discharge of waste substances that is coming from houses and industries in the form of garbage, sewage and harmful chemicals into the country's surface waters, including lakes, rivers, streams, wetlands, and coastal areas. This act was passed in 1972 in the united states of America. This act helps in maintaining and saving of the life of marine animals which is an important part of our environment. Agricultural runoff is excluded in the Clean water Act. Agricultural runoff is a water that comes from the field through irrigation and rainfall etc.

events in order:

1.       vishnu schist

2. zoroaster granite

3. bass limestone

4. hakatar   shale

5. igneous intrusion

6. shinumo quartzite

7. dox sandstone

8. tapeats limestone

9. bright angel shale

10. muav limestone

11. temple butte limestone

12. redwall limestone  

nonconformity

answer: the unkar group shows angular unconformity because the layers are turned at angle.

unconformity

answer: specifically the angular unconformity occurs between the cambrian and precambrian rocks. the dox sandstone, shinumo quartzite, hakatar shale, and bass limestone have been filled. an angular unconformity occurs between the cambrian and precambrian rocks. the dox sandstone, shinumo quartzite, hakatar shale, and bass limestone have been filled.

disconformity

answer: the disconformities aremarked irregular lines between the sedimentaryrocks layers.

true is the