The evolution of pesticide resistance, resurgence, and secondary-pest outbreaks are only some of the problems that result from reliance on
A) crop rotation and biological controls, which disrupt the natural dynamics of ecosystems.
B) pesticides, creating the need to alternate between a pesticide and an herbicide every other year.
C) rodenticides to kill weeds and insect pests and prevent the spread of viral diseases.
D) pesticides, creating a never-ending pesticide treadmill and requiring new pest-fighting strategies.
D
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Which of the following places is NOT located in the Fertile Crescent of North Africa and Southwest Asia?
A) eastern Turkey B) Syria C) Libya D) Lebanon E) northern Iraq
Which of the following are true about factors that influence weathering?
A) Chemical weathering occurs fastest in cold or dry climates. B) Whether a slope faces toward or away from the sun is not an important factor influencing weathering. C) Soil and other weathering products tend to accumulate more on gentle slopes than on steep slopes. D) Time is not a critical factor in weathering because physical and chemical processes have not changed much through time.
The heat that is transferred from a hot object to your hand is known as
A. kinetic energy. B. latent heat. C. entropy. D. sensible heat.
According to your textbook, soil is an interface between Earth's spheres, and all life owes its existence to soil. Explain why soil is considered to be so important
What will be an ideal response?