2. which of the following can be thought of as opposites? (3 points)

a) white dwarf and brown dwarf

b) black hole and protostar

c) neutron star and pulsar

d) red giant and blue giant

3. which statement is true concerning the evidence for black holes? (3 points)

a) scientists can see black holes with powerful telescopes.

b) scientists can see the effect of black holes on nearby stars.

c) scientists can see trails left in space by black holes.

d) there is no evidence for black holes.

2 = B

3 =  B

Explanation:

2) A black hole is something huge that swallows up everything, while a protostar is just the very beginning of a star.

3) Scientist can't truly know for sure, but they can infer about them due to the effects of the surrounding areas.

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !