Read the paragraph and answer the question.

(1) some artists use junk to create their work. (2) they may create mosaics, collages, or even sculptures out of pieces no one wants anymore. (3) in austin, texas, an artist built the cathedral of junk, a huge structure built out of junk. (4) most artists make smaller sculptures, such as animals, out of metal, or even portraits out of pieces of trash.

how does sentence 3 contribute to the development of the central idea of the paragraph?

a.
it gives an alternate central idea.

b.
it sums up the central idea of the paragraph.

c.
it gives a counter claim to the central argument.

d.
it provides an example to support the central idea.

Why it's time to lay the stereotype of the 'teen brain’ to rest 2. part b: which detail from the text best supports the answer to part a? a “brain deficits don’t make teens do risky things; lack of experience and a drive to explore the world are the real factors.” (paragraph 1) b “according to this theory, the prefrontal cortex, the center of the brain’s cognitive-control system, matures more slowly than the limbic system, which governs desires and appetites including drives for food and sex.” (paragraph 5) c “in experiments that mimic the well-known marshmallow test, in which waiting for a bigger reward is a sign of self-control, adolescents are less impulsive than children and only slightly more so than adults.” (paragraph 12) d “the majority of adolescents do not die in car crashes, become victims of homicide or suicide, experience major depression, become addicted to drugs or contract sexually transmitted infections.” (paragraph 14)