« previous next »

Author Question: As crop residue breaks down, it competes with a growing crop for soil ____; therefore, extra ____ ... (Read 176 times)

Redwolflake15

  • Hero Member
  • *****
  • Posts: 569
on: Jul 21, 2018

As crop residue breaks down, it competes with a growing crop for soil ____; therefore, extra ____ may
  be needed to assure good crop yields.


 
 

a. hydrogen c. nitrogen
  b. carbon dioxide d. oxygen



Question 2

Of the cereal grains grown worldwide, the second-most-important crop is:
 
 

a. wheat c. corn
  b. barley d. rice



mochi09

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 21, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

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

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

(b) A epiphytic plant growing on the branch of a tree. (b) A epiphytic plant growing on the branch of a tree.
Nose growing on head Nose growing on head
Soil and the Carbon Cycle Soil and the Carbon Cycle
How Fast is the World's Population Growing? How Fast is the World's Population Growing?
Soil layers known as horizons "طبقات التربة المعروفة آفاق" Soil layers known as horizons "طبقات التربة المعروفة آفاق"
An ulcer is created when the mucosal lining of the GI tract erodes or breaks An ulcer is created when the mucosal lining of the GI tract erodes or breaks
Video: DNA fingerprinting Animation

For a complete list of videos, visit our video library