Ancient models of the solar system put the in the center, and the current model of the solar system puts the in the center.
a.
sun, earth
c.
earth, earth
b.
sun, sun
d.
earth, sun

Ancient models of the solar system put the Earth in the center, and the current model of the solar system puts the Sun in the center.

D. Earth, Sun

D) earth, sun hope it helps

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.

True or false:   the purpose of a defense mechanism is to get uncomfortable feelings out into the open so they can be dealt with in a healthy manner.indeed true: )