______ light causes the skin to become darker in the sun.
A: Capitalism
B: Imperialism
C: Pastry
D: Ultraviolet
A: Capitalism
B: Imperialism
C: Pastry
D: Ultraviolet
D
举一反三
- Which<br/>kind of physical hazard causes the welding flash? () A: Light B: Ionizing radiation C: Ultraviolet radiation D: Vibration
- ultraviolet light
- (10分)The _________ the color, the ________ light is reflected and the more light is absorbed. A: darkest; more B: darkest; less C: darker; more D: darker; less
- 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
- As a system of social organization, ______ is based around a free<br/>market and privatization. A: capitalism B: imperialism C: dissolution D: revolver
内容
- 0
The darker(深) the color, the less light is reflected(反射) and the more light is absorbed(吸收).
- 1
Keep indoors and don't （ ）your skin to the sun.
- 2
Ultraviolet rays from the Sun can cause which of the following?
- 3
No life can exist without the sun. It light and warmth.
- 4
There are several descriptions about the relationship between Fill Light and light ratio, which one is correct? A: As Fill Light is brighter, the light ratio is smaller. B: As Fill Light is brighter, the light ratio is larger. C: There is no relationship between Fill Light and light ratio D: As Fill Light is darker, the light ratio is larger.