What type of electromagnetic wave is used in security pens?
a. x-rays
b. visible...
Chemistry, 07.10.2019 05:30 wedderman8292
What type of electromagnetic wave is used in security pens?
a. x-rays
b. visible light
c. microwaves
d. ultraviolet radiation
Answers: 3
Chemistry, 22.06.2019 04:00, dustinsampsin2486
14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream
Answers: 3
Chemistry, 22.06.2019 07:30, tntaylor862
Using data from seismic waves, geologists have learned that earth’s interior is made up of several
Answers: 1
Chemistry, 22.06.2019 21:50, donttrip10
What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state. a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car
Answers: 2
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