9. Circle the letter of each sentence that is true about water's surface tension.
a. It helps some insects "skate" across the surface of the water.
b. It refers to the tightness across the surface of the water.
c. It is caused by polar molecules repelling each other.
d. It causes raindrops to form round beads.
Answers: 1
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9. Circle the letter of each sentence that is true about water's surface tension.
a. It helps some...
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