Help please

1. Which has the greatest friction?

A. Polished floor

B. Sandy floor

C. Wet floor

D. Tiled floor

2. The boat sailing on the sea sea slows down. What kind of friction is acting on it?

A. Static friction

B. Rolling friction

C. Fluid friction

D. Sliding friction

3. Which of the following statements best describes friction?

A. It is a force that occurs between solids.

B. It is a force that occurs only on rough surfaces.

C. Its is a force that occurs between solid and liquids.

D. It is a force that occurs when surfaces touch each other.

4. How can you best reduce friction between the bottom or feet of furniture and floor?

A. By smoothing the floor

B. By keeping furniture on their place

C. By applying lubricants like wax on the floor

D. By putting wheels or rollors on the bottom or feet of furniture

5. Which shows that friction is undesirable?

A. Pushing furniture

B. Lighting a matchstick

C. Walking on wet floors

D. Using breaks when approaching a stoplight

Thanks​