Dark Matter only: detected through its gravitational attraction, has mass, most common form of mass in the halo of the Milky Way Galaxy, likely to consist of subatomic particles
Dark Energy only: inferred to exist from the measured acceleration of the universe's expansion, the proposed source of a universal repulsive force
BOTH: the universe contains more of this than it contains matter made from atoms, we do not know what it is made of
NEITHER: blocks light from stars behind it, "dark" because it emits only infrared light
It called for more local control and free-market practices.
Answer: Disarmament and settling of border disputes contributed to the League of Nations' goal of preventing future warfare.
7. Brazil
8. Atacama desert
9. Falkland Islands
Where are "the following" answer choices?
