This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The sustainability of agricultural practices A) decreases if the soil is degraded by erosion or ... (Read 101 times)

savannahhooper

  • Hero Member
  • *****
  • Posts: 576
on: Jul 16, 2018
The sustainability of agricultural practices
 
  A) decreases if the soil is degraded by erosion or salination.
  B) requires that the soil be plowed at least three times annually.
  C) increases if the field is irrigated in amounts equal to the total annual rainfall.
  D) requires the presence of soil nematodes.

Question 2

Match the collection of rocks below into the three categories of rocks.
 
  A) Slate, schist, quartzite, phyllite
  B) Granite, gabbro, rhyolite, basalt
  C) Limestone, conglomerate, arkose, dolomite
 
  1) Igneous rocks
  2) Sedimentary rocks
  3) Metamorphic rocks


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

parker125

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 16, 2018
Answer to Question 1

A

Answer to Question 2

Answers: 1) B 2) C 3) A


savannahhooper

  • Hero Member
  • *****
  • Posts: 576
Reply #2 on: Jul 16, 2018
TY


parker125

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jul 16, 2018
Happy to Help


« previous next »
 

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Gunnera growing on nitrogen-poor soil. Gunnera growing on nitrogen-poor soil.
Soil as Habitat Soil as Habitat
Soil Remediation Techniques Soil Remediation Techniques
Contact theory indicates that prejudice decreases and relations improve when individuals of ... Contact theory indicates that prejudice decreases and relations improve when individuals of ...
Soil salinization Soil salinization
Soil Conservation: Grassed Waterway Soil Conservation: Grassed Waterway
Video: Appendicitis Animation

For a complete list of videos, visit our video library