• A. What exactly is science
• B. How do you find an explanation
• C. What topics do you need
• D. How do you answer your child’s questions
• E. Where does your child study science
• F. How do you set up the experiment on salt and water

Paragraph 4 ______

A．A disk or plate placed under a drinking glass to protect a table top.
B．A vessel engaged in coastal trade.
C．A roller coaster.
D．A resident of a coastal are