Environmental Science
The blueness of the sky is mainly due to:

Emission of blue light by the atmosphere
The scattering of sunlight by air molecules
The presence of water vapor
Absorption of blue light by the air

ANSWER DOWNLOAD EXAMIANS APP

Environmental Science
A red shirt

Selectively scatters red wavelenghts of visible light and absorbs the rest
Selectively absorbs red wavelenghts of visible light and scatters the rest

ANSWER DOWNLOAD EXAMIANS APP

Environmental Science
Assuming that the night will remain clear, calm, and unsaturated, the predicted minimum temperature is 32oF. Suddenly the wind speed increases and remains gusty throughout the night. The minimum temperature will most likely be:

Higher than predicted due to the release of latent heat
About the same as predicted but will occur earlier in the night
Higher than predicted due to mixing
Much lower than predicted due to radiational cooling

ANSWER DOWNLOAD EXAMIANS APP