This topic contains a solution. Click here to go to the answer

Author Question: Biological control of pests involves using ____ as a control. a. people c. natural predators b. ... (Read 74 times)

james

  • Hero Member
  • *****
  • Posts: 573
Biological control of pests involves using ____ as a control.
 
 

a. people c. natural predators
  b. tilling d. pesticides



Question 2

The primary harvesting machine for field crops is the:
 
 

a. plow c. baler
  b. rototiller d. combine




Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cloudre37

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

C

Answer to Question 2

D




james

  • Member
  • Posts: 573
Reply 2 on: Jul 21, 2018
YES! Correct, THANKS for helping me on my review


adammoses97

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

For a complete list of videos, visit our video library