Answer:
5, 2, 7
Explanation:
-As seen from Earth, the planet's orbit must be nearly face-on (perpendicular our line-of-sight).
-You must be able to precisely measure variations in the star's brightness with time.
-The planet must have an orbital period of less than about 1 year.
Cheers
Answer:
b. Students rather than professors constituted the dominant guild.
Explanation:
But for nothern Europe, professors constituted the dominant guild.
These animals were raised in a controlled environment. Many plants are unable to survive in such a harsh environment. Heredity and environment are both important. Pollution is bad for the environment