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

Author Question: The practice of leaving crop residue on the field between plantings to help prevent soil erosion is ... (Read 111 times)

stevenposner

  • Hero Member
  • *****
  • Posts: 608
on: Jul 14, 2018
The practice of leaving crop residue on the field between plantings to help prevent soil erosion is known as
 
  A) slash and burn agriculture.
  B) swidden.
  C) shifting cultivation.
  D) no-till agriculture.

Question 2

Mafic igneous rock, such as gabbro and basalt,
 
  A) are derived from magnesium and iron.
  B) have light coloration.
  C) are high in silicate minerals.
  D) have a low melting temperature.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jgranad15

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 14, 2018
Answer to Question 1

D

Answer to Question 2

A


stevenposner

  • Member
  • Posts: 608
Reply 2 on: Jul 14, 2018
Excellent

blakcmamba

  • Member
  • Posts: 335
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Chimpanzees in nearby Mahale National Park practice a different grooming style: they clasp hands whi Chimpanzees in nearby Mahale National Park practice a different grooming style: they clasp hands whi
Ways to prevent heat waves Ways to prevent heat waves
Regional differences affect soil fertility Regional differences affect soil fertility
Effects of Retrieval Practice on Predicted and Actual Memory Performance Effects of Retrieval Practice on Predicted and Actual Memory Performance
Field Triage Decision Scheme Field Triage Decision Scheme
Kindergarten field trip Kindergarten field trip
Video: Parkinson's Disease

For a complete list of videos, visit our video library