Read the explicit meaning of the text:

recycling and composting reduce waste.

which textual evidence supports the explicit meaning?

a.) "this prevented the release of approximately 168 million metric tons of carbon dioxide equivalent into the air in 2012-equivalent to taking over 33 million cars off the road for a year."

b.) "in 2012, newspaper/mechanical papers recovery was about 70 percent (5.9 million tons), and about 58 percent of yard trimmings were recovered."

c.) "municipal solid waste more commonly known as trash or garbage-consists of everyday items we use and then throw away."

d.) "recycling is the recovery of useful materials, such as paper, glass, plastic, and metals."

i think its a or b but it migh be d too idk ol