What kind of stars make up the halo?
a. old, metal-rich stars
b. old, metal-poor stars
c. young, metal-rich stars
d. young, metal-poor stars

The correct answer is Option B.

Explanation:

Halo is defined as the region in galaxy in which stars are scattered thinly. They contain globular clusters of stars. This region is surrounded by tenuous gas.

This region is formed by the old stars and these stars are known to be metal deprived and contain mostly primary elements.

Hence, the correct answer is Option B.

nec chapter 5 contains

c. information on special occupancy areas

nec chapter 6 covers

a. special equipment

which of the following rules contain the words shall or shall not and must be adhered to?

b. mandatory rules

which of the following rules identify actions that are allowed but not required and typically cover options or alternative methods?

c. optional rules

which of the following serves as the introduction to the nec and provides an overview of the book?

a. nec article 90

organizations that test products for safety are

c. nrtls

the nec is published by the

a national fire protection association

the nec is divided into

b. 9 chapters

the nec provides informative annexes for

c. informational materials and examples

two terms from nec article 100 that trainees should become familiar with are

b. labeled and listed

explanation: