The important part here is "daily" - so we can ask, what else happens daily? the seasons, which are caused by the tilt of the earth and the Earth's rotation around the Sun, are on a yearly schedule rather than a daily schedule. What happens on a daily basis is one rotation of the Earth on its axis - and the correct answer is a)
It may be admitted to the union to become a state after it's officers petition Congress for an enabling act, establish a constitution, and full a requirement of citizen/population. It will then be under Congress to make the decision to grant the territory a title of a state or not.
