It took a student 30 minutes to drive from his home to campus on
Monday, and it took him 20 minutes on Tuesday driving the same
route. If on Monday he drove 36 mi/hr on average, what was his
average speed on Tuesday?
O 12 mi/hr
O 18 mi/hr
O 48 mi/hr
O 54 mi/hr
O 72 mi/hr
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Ответ:
Answer by YourHope:
Hi! :)
Which of these statements best explains why models are used to study atoms?
Atoms are too small to be examined in detail without a microscope!
Models help scientists to study atoms because atoms are extremely small and can't even be seen!
:)