Sian wants to measure the number of seconds that it takes for the contents of a beaker to change from clear to purple. Which of these tools should she use for this purpose? A. an electronic balance B. a stopwatch C. a barometer D. a graduated cylinder
Answers
Answered by
1
Answer:
b
Explanation:
stopwatch measures time
Answered by
1
Answer:
a stopwatch
Explanation:
stopwatch is a handheld timepiece designed to measure the amount of time that elapses between its activation and deactivation
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