1. What does Al Gore, author of An Inconvenient Truth, demonstrate about the level of at atmospheric carbon dioxide levels?

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.

2. According to An Inconvenient truth, what is the role of invaded radiation in global warming?

A. All of the suns energy is converted to infrared radiation.

B. Over time,infrared ratiation makes the atmosphere thinner. This warms the atmosphere.

C. Greenhouse gases trap some infrared radiatioo in the atmosphere. This warms the atmosphere.

3. In which sentence below is the underlined wordi indirect object?

A. For 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)