Q: Answer the question

Which best describes the orbit of the Moon around Earth?
OPTIONS:
- circular with a period of about one month
- circular with a period of about one week
- elliptical with a period of about one month
- elliptical with a period of about one week

A: elliptical with a period of about one month

Q: Answer the question

Which of the following processes is responsible for changing liquid water into water vapor?
OPTIONS:
- photosynthesis
- condensation
- evaporation
- precipitation

A: evaporation

Q: Answer the question

Which part of a DNA molecule represents encoded information?
OPTIONS:
- phosphate
- sugar
- guanine
- hydrogen bond

A:
guanine