Mechanized agriculture has substituted the labor of humans with energy stored in petroleum products.
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Q37: Which of the following is a macronutrient?
A)nitrogen
B)manganese
C)zinc
D)boron
Q38: Pesticides,primarily herbicides and insecticides,are widely used in
Q39: Which of the following best matches the
Q40: Advocates for the development and use of
Q41: Which of the following best matches the
Q43: Mechanized agriculture is typical of undeveloped tropical
Q44: Monoculture utilizes several crops grown over a
Q45: Fertilizers do not alter soil characteristics.
Q46: Tilling the soil can reduce weeds.
Q47: Which of the following best matches the
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