Which of these actions does NOT result in a physical change?
leaving an ice cube in a glass at room temperature
folding a piece of paper into a paper airplane
burning a log in a fireplace
mixing sugar into a pitcher of iced tea

Which of the following is not a classification of marine organisms? a. benthos c. neritic b. nekton d. plankton select the best answer from the choices provided a b c d i know the answer is not option b

What are the four basic classes of organic molecules how do they differ structurally and functionally

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.