Question

After a glacier starts melting, the melted ice uncovers

lifeless rock and gravel.
Which statement describes what usually happens next?
A. Shrubs that need direct sunlight begin to grow among the
grasses.
B. Bacteria on roots of seed plants use nitrogen from the air to make
nutrients.
C. Lichens begin to grow on the bare rock and cause it to break
down.
D. Grasses begin to grow in the rocky soil and add organic matter to

Answer 1

The answer is c because they do begins to grow on bare rockers some even on land

Answer 2

The answer is c, it’s the only one that makes since to go along with the rest of the passage.