An equinox is “the time or date when the sun crosses the celestial equator and when day and night are of equal length”
the answer would be A. Day and Night are equal in length
a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.
Answer:
A pure substance that is made up of different elements
Explanation:
An aquifer is a permeable rock which can contain or transfer water.
Because the space is ultimate thermos.
