Q: Can printing books in kanji instead of the Roman alphabet save trees?
A: yes
Explanation: The Kanji writing system uses less space to communicate ideas than an alphabet system. Trees are killed to make pages for books.

Q: Are Saturn's famous rings solid?
A: no
Explanation: The rings are made mostly of dust and particles. The ring matter is constantly in orbital motion around Saturn.

Q: Are a dozen pickles good for easing hypertension?
A:
no
Explanation: Hypertension is high blood pressure that can come from a number of factors including excess salt. Pickles are food that are high in sodium, or salt.