What causes mutations during protein synthesis? A) A wrong base becomes a permanent part of a new DNA sequence.
B) Most mutations happen spontaneously as DNA replicates itself.
C) A great many mutations occur due to chemicals in the environment.
D) Mutations do not occur during the process of protein synthesis.

what's the

i am positive it is c. condensing but i may be wrong

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

hope this !

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link: