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 26 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


LVPMS

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

For a complete list of videos, visit our video library