A scientist wants to learn more about a set of stars in the night sky. What should he or she do to learn if it's a pattern or not?

A.Read a magazine on stars
B.Research stars on a computer
C.Make observations of the stars for one night
D.Make observations of the stars every night for two weeks

Respuesta :

Answer:

B or D

Explanation:

they are both good choices.. sorry I didn't know the definite answer

D, it would be more reliable and accurate. Would be a fair test and could also do B but mostly D