Answer:
Stars form large groupings
Explanation:
A large group of stars that have a common origin and are gravitationally bound for some length of time is called star clusters. Star clusters provide a way to study the ages of stars and stellar evolution. There are two categories of star clusters i.e. galactic clusters, and globular clusters.
Out of the given options, we can say that the correct option is (b) "Stars form large groupings".
Adrenaline, Cortisol, Norepinephrine.
Answer:
The esophagus is a long tube that connects the mouth to the stomach
The answer would be between b and d but i would go with d
Answer:
down syndrome
Explanation:
people with down syndrome have an extra chromosome in the twenty-first pair
