Cold air is correct answer
The catholic church believes the pope to be infallible in matters of doctrine. orthodox believers reject the infallibility of the pope and consider their own patriarchs and thus they subject to error.
The scale gives the ratio that compares the measurements of the drawing or model to the measurements of the real object. Scale factor is a scale written as a ratio without units in simplest from.

Magnetic declination, or magnetic variation, is the angle on the horizontal plane between magnetic north and true north. This angle varies depending on position on the Earth's surface and changes over time
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~its Srishty~✿