Which of the following is a remnant of a supernova?
a. neutron star
b. protostar
c. black dwarf
d. red giant

Select all the true statements about the cosmic microwave background radiation

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule

When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles