Although a light-year is a unit of distance, it is also helpful in determining
A) age
B) magnitude
C) luminosity
D)
astronomical units,
Can I pls get a helping hand fast because it is due In a couple of minutes pls and thank u

astronomical units

Explanation:

it is used to see how far away a planet really is by measuring it with light and how fast and far it travels to hit the planet.

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.