题目内容
(请给出正确答案)
[主观题]
It is true that infrared radiation ___________. A. is not detectable to humansB. looks bri
It is true that infrared radiation ___________.
A. is not detectable to humans
B. looks brighter than visible light
C. is visible light reflected off an obj ect
D. has longer waves than those of visible light
提问人:网友kfbyldy
发布时间:2022-01-07