Question

Read the following sentence from the passage.

Antique telescope lenses have not changed shape since the day they were made.

How does this sentence support the central idea?
Responses
A The fact that the glass lenses are the same shape supports the claim that glass is a solid that does not "flow."The fact that the glass lenses are the same shape supports the claim that glass is a solid that does not "flow."
B Antique telescope lenses use glass because it "flows" which supports the claim that glass is a solid.Antique telescope lenses use glass because it "flows" which supports the claim that glass is a solid.
C The fact that the glass lenses are the same shape supports the claim that glass "flows" from top to bottom.The fact that the glass lenses are the same shape supports the claim that glass "flows" from top to bottom.
D Antique telescope lenses are very thick which supports the claim that older glass-making techniques made thicker sheets of glass.Antique telescope lenses are very thick which supports the claim that older glass-making techniques made thicker sheets of glass.

Answer 1

A

The fact that the lenses have the same shape since they were made shows they haven't flowed or changed over time, supporting the claim that glass acts like a solid rather than a slowly flowing liquid.