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

Author Question: Which of the following fertilizer nutrients is NOT obtained from mining? a. phosphorus c. ... (Read 156 times)

Alygatorr01285

  • Hero Member
  • *****
  • Posts: 564
on: Jul 21, 2018
Which of the following fertilizer nutrients is NOT obtained from mining?
 
  a. phosphorus c. potassium
  b. nitrogen d. calcium

Question 2

Before tools were invented, humans used _____.
 
  a. rocks c. their hands
  b. flint d. all of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ong527

  • Sr. Member
  • ****
  • Posts: 285
Reply #1 on: Jul 21, 2018
Answer to Question 1

B

Answer to Question 2

D


Alygatorr01285

  • Member
  • Posts: 564
Reply 2 on: Jul 21, 2018
YES! Correct, THANKS for helping me on my review

scikid

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Some breeds of dogs that have been obtained by selective breeding. Some breeds of dogs that have been obtained by selective breeding.
Primary production increases with an increase in total phosphorus concentration. Primary production increases with an increase in total phosphorus concentration.
Coronary artery bypass graft (CABG). The grafts are often obtained from the patient’s saphenous vein Coronary artery bypass graft (CABG). The grafts are often obtained from the patient’s saphenous vein
Sunflower Seeds (Nutrients) Sunflower Seeds (Nutrients)
Nutrients in Foods and in the Body Nutrients in Foods and in the Body
Daily Essential Nutrients Daily Essential Nutrients
Video: Depolarization of the SA node, Action potentials of the myocardium & ANS effects

For a complete list of videos, visit our video library