IPM (integrated pest management) is becoming widespread as a way to control pests. This method
A. first uses chemical controls to maximize yields.
B. has been shown not to be effective in commercial agriculture.
C. first uses cultivation such as intercropping, then uses biological controls, and then uses chemical controls in hard hit areas.
D. uses a mixture of several modern pesticides applied at one time.
E. first uses chemical controls, then biological controls and then cultivation.
Answer: C
You might also like to view...
When do black smokers occur?
A) during plate tectonics movement B) during underwater volcanic reactions C) components dissolve below the seafloor, but then precipitate when they contact cold water D) components squeezed from beneath the sea floor dissolve upon contact of cold water
At the moment of the Big Bang, both ____ and ____ were set at zero
a. matter, energy b. time, space c. nuclear power, weak nuclear forces d. gravity, chemistry e. matter, weak nuclear forces
The GDP includes all of the following in its measures of economic growth except ________
A) human well-being B) medical costs C) the costs of replacing outdated equipment used on farms and in industrial manufacturing D) the income from the sales of goods abroad
Lithospheric plates move on the Earth's surface because ____.
a. warm mantle ascends at ridges and cool mantle descends at subduction zones b. convection occurs only in the asthenosphere c. cool mantle ascends at ridges and warm mantle descends at subduction zones d. warm mantle ascends at ridges and cool mantle descends at subduction zones AND convection occurs only in the asthenosphere e. convection occurs only in the asthenosphere AND cool mantle ascends at ridges and warm mantle descends at subduction zones