What electromagnetic wave does radar use to locate objects in distance?
A. Ultraviolet
...
Chemistry, 28.03.2020 02:24 rose888829
What electromagnetic wave does radar use to locate objects in distance?
A. Ultraviolet
B. Radio
C. X-rays
D. Gamma
Answers: 2
Chemistry, 22.06.2019 14:00, JJlover1892
Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?
Answers: 2
Chemistry, 22.06.2019 16:00, jrocklove7825
About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?
Answers: 2
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