Environmental Science
Most of the radiation emitted by a human body is in the form of:

Humans do not emit electromagnetic radiation
Infrared radiation and is invisible
Ultraviolet radiation and is invisible
Visible radiation but is too weak to be visible

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Environmental Science
The earth is tilted at an angle of 23.5o with respect to the plane of its orbit around the sun. If the amount of tilt were increased to 40o, we would expect in middle latitudes:

Hotter summers and milder winters than at present
Hotter summers and colder winters than at present
Cooler summers and milder winters than at present
No appreciable change from present conditions
Cooler summers and colder winters than at present

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