Which characteristic is used to measure the amount of light radiated by a star
a. size
b. color
c. luminosity
d. temperature

The correct answer is C. Luminosity

Explanation:

A star refers to a spatial object of plasma that emits light, for example, the sun of our Solar System is a star. Additionally, as stars are characterized by the light they radiate, this is one of the characteristics that are widely studied by astronomers and scientist which is known as luminosity. In stars, luminosity or the amount of light radiated is measured in joules or watts (units of energy) per second. Thus, the characteristic that measures the amount of light radiated by a star is Luminosity.

1. seasonal

2. frictional unenployment

3. the number of the labor force multiplied by 100 and then subtract the number of unemployed.

4. 4%

5. an increase in prices

hello,

your answer is ready

i believe its either the first or third option but i'm leaning more towards the third option:

the first excerpt makes a logical appeal, while the second excerpt makes an emotional appeal.

your pal

~papaguy