Chemistry, 22.10.2019 17:00 ahluwaliariddh
Which of the following is not something that earth's atmosphere protects us from? a. meteoroids b. ultraviolet light c. greenhouse gases d. dangerous particles from space
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Chemistry, 21.06.2019 23:30
Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.
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Chemistry, 23.06.2019 05:30
How many moles are in 1.26*10^24 particles in significant figures
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Chemistry, 23.06.2019 07:00
Introduction of drugs into the gastrointestinal tract is a form of administration. a. enteral b. topical c. parenteral d. inhalation
Answers: 1
Which of the following is not something that earth's atmosphere protects us from? a. meteoroids b....
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