Why (if you are careful) are you able to float a needle on the surface of water?
A. Water has adhesive properties.
B. The surface tension that is a result of water’s cohesive properties makes this possible.
C. The covalent bonds that hold a water molecule together are responsible for this ability.
D. A single needle is less dense than water.
Answer:B
Why (if you are careful) are you able to float a needle on the surface of water?
A. Water has adhesive properties. B. The surface tension that is a result of water’s cohesive properties makes this possible. C. The covalent bonds that hold a water molecule together are responsible for this ability. D. A single needle is less dense than water.