ultraviolet light

长波紫外线（ultraviolet A, UVA）的波长是：

The optimal distance of the ultraviolet lights used to sterilize the items is

The anti-UV mutation of microorganisms must be induced by ultraviolet rays

Ultraviolet rays from the Sun can cause which of the following?

The accumulation of greenhouse gases (GHGs) causes global warming by letting sunlight into the atmosphere as _______. Then, when the earth re-radiates the heat back to space, the gases trap the energy in the form of outgoing ______. A: visible light, ultraviolet radiation B: infrared radiation, ultraviolet radiation C: ultraviolet radiation, infrared radiation D: infrared radiation, radio waves

The anti-UV mutation of microorganisms must be induced by ultraviolet rays A: 正确 B: 错误

The<br/>anti-UV mutation of microorganisms must be induced by ultraviolet<br/>rays.(<br/>)

The ultraviolet radiation from the sun can produce long-term effects on human beings and animals, but not on plants.

______ light causes the skin to become darker in the sun. A: Capitalism B: Imperialism C: Pastry D: Ultraviolet