1.

Altitude angle is the _______

A. vertical angle between projection of sun’s rays on the horizontal plane of earth’s surface
B. horizontal angle between projection of sun’s rays on the horizontal plane of earth’s surface
C. vertical angle between projection of sun’s rays on the vertical plane normal to earth’s surface
D. horizontal angle between projection of sun’s rays on the vertical plane normal to earth’s surface
Answer» B. horizontal angle between projection of sun’s rays on the horizontal plane of earth’s surface


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