[Answer] Which word might be considered the opposite of listless?

Step 1 : Introduction to the question "Which word might be considered the opposite of listless?"

...1. Gaunt 2. Lively 3. Disinterested 4. Savvy

[Answer] 2. The opposite of a "night owl" is an "early bird". What does it mean to be a "night owl"?

Step 1 : Introduction to the question "2. The opposite of a "night owl" is an "early bird". What does it mean to be a "night owl"?"

...1. to get up early 2. to stay up late 3. to work a lot 4. to play hard The idea of a "night owl" was originally used as early as the 1500s for an owl with nightly activity. By the mid 1800s this idea was used to describe the human behavior of one who habitually stays up late at night.

[Answer] 9. Josh Hartnett starred opposite Kate Beckinsale and, guess who - Ben Affleck, in which of these movies?

Step 1 : Introduction to the question "9. Josh Hartnett starred opposite Kate Beckinsale and, guess who - Ben Affleck, in which of these movies?"

...1. Saving Private Ryan 2. Clerks 3. Pearl Harbor 4. Bounce Well, you made it! Pretty easy, right? Look for my next, more difficult quiz on degrees of separation coming soon. Thanks for playing, and please rate my quiz.

[Answer] 4. Photosynthesis and cellular respiration are opposite cell processes. One puts this compound into the atmosphere and the other one takes it out. Which compound fits this description?

Step 1 : Introduction to the question "4. Photosynthesis and cellular respiration are opposite cell processes. One puts this compound into the atmosphere and the other one takes it out. Which compound fits this description?"

...1. Nitrogen 2. Carbon Monoxide 3. Hydrogen 4. Carbon Dioxide Another substance that would have fit this description is oxygen, but it's an element, not a compound. Photosynthesis and cellular respiration are opposite processes because their chemical equations are reversed. Also, one stores energy while the other releases it.