Question

please answer these questions ​

Answer 1

4. a. revolutionb.

b. 24 hours

5. a . Northern hemisphere

b. it occurs June 20 and June 22

c. An equinox is commonly regarded as the instant of time when the plane (extended indefinitely in all directions) of Earth's equator passes through the geometric center of the Sun's disk. This occurs twice each year, around 20 March and 23 September. In other words, it is the moment at which the center of the visible Sun is directly above the equator.

d. There are two equinoxes every year – in September and March – when the Sun shines directly on the Equator and the length of day and night is nearly equal.

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