Why does the production of milk now cause more waste than it did 200 years
ago?
o
a. people use less gasoline to get milk than they used to.
o
b. producing milk now requires electricity.
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c. milk is now stored in recyclable containers.
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d. getting milk requires more time than it used to.

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.

Which of the following describes the difference in stimuli required to detect a difference between the stimuli? a. just noticeableb. signal detectionc. subliminald. top down

Select the correct answer from each drop-down menu. the lac operon in e. coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .