Why does the earth rotate A:because it’s formed from cold gases collapsing due to gravity

B: Because the matter in the nebula that formed

C:Because the earth form is more than 99% of the mass of the Solar system

D; Because the hydrogen Adams inside the nebular fuse to form helium

Answerd. may include all of these are many definitions of bases: the  brønsted-lowry definition of acids and bases says that bases are proton acceptors.the arrhenius definition of acids and bases says that bases increase [oh⁻] in solution (thereby producing oh⁻ ions)the lewis definition of acids and bases says that bases donate electron pairs.therefore, the sensible answer is that a base may include all of the described characteristics.