Respuesta :

Answer: Heyo :)

(1) Maybe g oogle that one, im not sure

(2)  march 21: celestial equator; june 21st ;Tropic of Cancer september 23rd; celestial equator; December 23rd: the Tropic of Capricorn

(3) in a leap year, we add an extra day in February (making it 29 days instead of 28). What goes around: The reason we have February 29 every four years is because of two different time cycles involved with the rotation of the Earth.

Explanation:

insp: nightmhares on brain.ly