Question

they are caused by the revolution of the earth on a tilted axis

Answer 1

HEYA

The answer is that the Earth's axis is not at a right angle with the sun. It is tilted slightly at an angle of 23.5°. The diagram below shows Earth's tilt in relation to the sun. Because of the tilt of Earth's axis, the amount of daylight varies throughout the year.

Answer 2

The answer is that the Earth's axis is not at a right angle with the sun. It is tilted slightly at an angle of 23.5°. The diagram below shows Earth's tilt in relation to the sun. Because of the tilt of Earth's axis, the amount of daylight varies throughout the year.

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