Which sentences describe star clusters? check all that apply. stars appear brighter. stars form large groupings. stars form at different times. stars form from the same nebula. stars are about the same distance from earth.

Option 2, 3 and 4.

Explanation:

A group of stars is known as star cluster. There are mainly two types of star clusters- Globular cluster and open cluster. In globular cluster, there are  more than 100 stars tightly grouped together. In open cluster, there are less than 100 stars and each star can be distinguished from others.

The stars in a cluster are of roughly same age. They are also formed from same nebula and gravitationally bound to each other. The stars have same distance from the Earth.

the answer is 2 3 4

Explanation:

good for her? ? where is the question?

this could be newton#'s law of cooling. the cooling curve is exponential