Question

what is a problem that is created by biofuels?

a. growing corn is less costly than growing soybeans.

b. growing plants for biofuels could cause farm prices to go down.

c. farmers object to growing biofuels.

d. growing plants for biofuels is expensive.

Explanation:

To determine the problem created by biofuels, we analyze each option:

• Option A: Compares corn and soybean costs, not a biofuel - related problem.
• Option B: Growing plants for biofuels would likely increase demand for farmland, leading to higher (not lower) farm prices, so this is incorrect.
• Option C: There's no general indication that farmers object to growing biofuels.
• Option D: Growing plants for biofuels can be expensive due to factors like land use, inputs, etc., which is a problem associated with biofuels.

Answer:

D. Growing plants for biofuels is expensive.