What does al gore, author of An Inconvenient Truth, demonstrate about the level of atmospheric carbon dioxide levels?

Question

a. Each year, the CO2 level rises and then falls. Over the past 50 years, it has steadily increased
b. Each year, the CO2 level increases at a faster rate. Over the past 50 years, it has nearly doubled
c. Each year, the CO2 level decreases. Over the past 50 years, it has steadily decreased

Answer 1

b. Each year, the CO2 level increases at a faster rate. Over the past 50 years, it has nearly doubled.

Answer 2

According to An Inconvenient Truth, what is the role of infrared radiation in global warming?
a. All of the sun's energy is converted into infrared radiation and then remains in the atmosphere. This warms the atmosphere.
b. Over time, infrared radiation makes the atmosphere thinner. This warms the atmosphere.
c. Greenhouse gasses trap some infrared radiation in the atmosphere. This warms the atmosphere.

Answer 3

c. Greenhouse gases trap some infrared radiation in the atmosphere. This warms the atmosphere.

Answer 4

In which sentence below is the word in * an indirect object?
a. Gore published *An Inconvenient Truth* a few years after he ran for president
b. My sister gave *me* a signed copy of the book
c. She said she preferred the documentary *film*.

Answer 5

b. My sister gave *me* a signed copy of the book.