The answer is b. a common currency
hope this helps ! :D
Answer:
I believe the answer would be it affects energy exiting the Earth's system.
Explanation:
Answer:
The average luminance of the Sun is about 1.88 giga candela per square metre, but as viewed through Earth's atmosphere, this is lowered to about 1.44 Gcd/m2. However, the luminance is not constant across the disk of the Sun (limb darkening).
Explanation: