Pick up the correct statement from the following :                                                                     

the plane of the apparent orbit of the sun is inclined to celestial equator at an angle of about 23${\frac{1}{2}}^{°}$

the first point of Aries is at the location where sun crosses from the south side of the equator to the north side

Vernal Equinox occurs on 21st March every year

all the above