Question 1

According to the author of "Mapping the Invisible," why was Heymans's work on dark matter important?

Accepted Answer

It gave evidence to support what scientists already believed about dark
matter.

Answer

It proved that the Hawaiian telescope could record images of dark matter.

Answer

It showed scientists what they should pursue in future research about
dark matter.

Answer

It confirmed what the telescope in New Mexico found to be true of dark
matter.

Question 2

What is the author's primary purpose in writing "Mapping the Invisible"?

Accepted Answer

to explain the success some scientists are having in their work on dark
matter

Answer

to explain which scientists are most responsible for new discoveries about
dark matter

Answer

to explain that scientists have been researching what they think dark
matter is

Answer

to explain why scientists believe that it is becoming easy to understand
dark matter

Question 3

What is the author's MAIN purpose in "The Stripes Will Survive"?

Accepted Answer

to explain the efforts being made to preserve Siberian tigers

Answer

to explain recent changes in how zoos raise Siberian tigers

Answer

to describe how Danya and Dasha interact with their parents

Answer

to describe the different lessons Gaia teaches her cubs

Question 4

What is the author's MAIN purpose in "Our Beautiful Macaws and Why They Need Enrichment"?

Accepted Answer

to explain how a zoo is providing a stimulating environment for Macaws

Answer

to describe the different tasks zookeepers are required to perform

Answer

to describe why zookeepers include specific equipment in new exhibits

Answer

to explain why some pet Macaws eventually live in zoos

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