This topic contains a solution. Click here to go to the answer

Author Question: Why does irrigated farmland get more and more salty over time? A) Salts and minerals are ... (Read 38 times)

CQXA

  • Hero Member
  • *****
  • Posts: 546
Why does irrigated farmland get more and more salty over time?
 
  A) Salts and minerals are deposited from water by evaporation.
  B) Salt water is used to irrigate the lands.
  C) Silty water lays down layers of organic matter, which contain a large degree of charged particles and salts.
  D) The plants extract the minerals and exchange them for salty ions like sodium.
  E) all of the above

Question 2

Allowing water to cascade or bubble in a fountain during the purification process is an example of ________.
 
  A) a gas dissolving in a liquid
  B) a chemical reaction
  C) ion exchange
  D) a solid dissolving in a liquid
  E) only A and B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kingfahad97

  • Sr. Member
  • ****
  • Posts: 308
Answer to Question 1

A

Answer to Question 2

A




CQXA

  • Member
  • Posts: 546
Reply 2 on: Aug 27, 2018
:D TYSM


momolu

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

For a complete list of videos, visit our video library