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

Author Question: The use of what metal revolutionized agriculture? a. lead c. gold b. tin d. ... (Read 39 times)

kshipps

  • Hero Member
  • *****
  • Posts: 571
on: Jul 21, 2018
The use of what metal revolutionized agriculture?
 
 

a. lead c. gold
  b. tin d. iron



Question 2

Which pesticide was banned in 1972 because of its harmful effects on the environment?
 
 

a. DDT c. DAR
  b. ABC d. DPT



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Chou

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

D

Answer to Question 2

A


kshipps

  • Member
  • Posts: 571
Reply 2 on: Jul 21, 2018
Thanks for the timely response, appreciate it

bblaney

  • Member
  • Posts: 323
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Chinese workers on a railway in the far West. “Without them,” Leland Stanford, president of the Cent Chinese workers on a railway in the far West. “Without them,” Leland Stanford, president of the Cent
L. Frank Baum, author of The Wonderful Wizard of Oz (1900) and a fan of William Jennings Bryan, perh L. Frank Baum, author of The Wonderful Wizard of Oz (1900) and a fan of William Jennings Bryan, perh
Sensor and Lead Placement and Marking Codes Sensor and Lead Placement and Marking Codes
Feelings of competence, independence, and relatedness lead to a sense of overall well-being in any ... Feelings of competence, independence, and relatedness lead to a sense of overall well-being in any ...
Global greenhouse gas emissions agriculture Global greenhouse gas emissions agriculture
"The Department of Agriculture came out today with its prediction for food price "The Department of Agriculture came out today with its prediction for food price
Video: Definition of heart rate

For a complete list of videos, visit our video library