Answers: 1 .The difference in the brightness of two stars with the same surface temperature is attributable to their sizes.( last choice)
2.Most responsible for the formation of a star is gravitational force.(second choice )
3. Blue ( last choice)
4.
A spinning neutron star that appears to give off radio wave pulses is called a pulsar ( third choice)
5.Greater redshifts in the spectra of galaxies indicate faster speeds ( first choice)
It requires energy when a substance must travel against a concentration gradient through the membrane
An enzyme, it catalyzes the reaction to convert carbon dioxide into carbonic acid
Explanation:
it is 50% because there is two codominance and one non diamond
