Questão número 637732

The main purpose of the article is to

• A.

  alert to the negative implications associated with the use of biofuels.

• B.

  criticize the environmental impact derived from corn production.

• C.

  explain why fossil fuels emit far more greenhouse gases than biofuels.

• D.

  justify why governments should not encourage the use of biofuels from waste products.

• E.

  list all kinds of biofuels that have been used to substitute fossil fuels.