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 32 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?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Types of Soil Porosity Types of Soil Porosity
Soil pH Soil pH
Life Is Abundant in Soil Life Is Abundant in Soil
Rill and Sheet Erosion Rill and Sheet Erosion
Thanks to agricultural advances, the world’s farmers can grow plenty of food Thanks to agricultural advances, the world’s farmers can grow plenty of food
Contrasting Soil Profiles Contrasting Soil Profiles
Video: Hormonal feedback loop components & Glucagon (glycogenolysis and gluconeogenesis)

For a complete list of videos, visit our video library