The inner planets are called terrestrial because they
a.
have no atmosphere.
c.
have earth-like oceans.
b.
are small and highly dense.
d.
are visible from earth.

According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?

Failure to accomplish erikson’s psychosocial task of late adulthood leads to despair. a. true b. false

Arock displaces 1.65 l of water. the volume of the rock is: a: 1,650 cm³ b: 165.0 cm³ c: 16.50 cm³ d: 0.165 cm³