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 98 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?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Erosion of palatal surfaces of maxillary teeth due to chronic vomiting. Erosion of palatal surfaces of maxillary teeth due to chronic vomiting.
Soil as a system Soil as a system
Soil layers known as horizons "طبقات التربة المعروفة آفاق" Soil layers known as horizons "طبقات التربة المعروفة آفاق"
Erosion Erosion
Soil Conservation: Grassed Waterway Soil Conservation: Grassed Waterway
Erosion Due to Poor Farming Practices Erosion Due to Poor Farming Practices
Video: Bond types - Atomic structure and basis of bonds

For a complete list of videos, visit our video library