A Friend Who Is Not Taking Your Biology Course Fills

question 6

Multiple Choice

A friend who is not taking your Biology course fills a cup with ice and then a drink.The friend asks you why the ice in the cup is floating,and you are able to say that 

• A) the molecules are closer together in ice than in liquid water.
• B) the molecules are farther apart in ice than in liquid water.
• C) ice is denser than liquid water.
• D) convection currents caused by temperature differences push upwards on the ice.
• E) water vapor is less dense than liquid water.

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