Questão número 636481

Your answers to questions 21 and 22 must be based on the text below, which is entitled "The technologies to halt global warming":

According to the text,

• A.

  15 technologies will have been implemented up to 2054.

• B.

  global carbon emissions might be decreased.

• C.

  renewable energy sources must have been forbidden.

• D.

  researchers ought to identify the sources of global warming.

• E.

  global carbon emissions have been halted.