The answer is B. darker; cooler
the dark spots give off less energy then the rest of the sun.
Hope this helps
Answer:
The distance to the moon greater than the distance across the Atlantic ocean by an order of 1.
Explanation:
We have the average distance across the Atlantic ocean, 
the average distance to the moon, 
The factor by which the distance to moon is greater than the width of Atlantic ocean:



i.e.
the distance to the moon greater than the distance across the Atlantic ocean by an order of 1.
Answer:
W = -1.97KJ, Q = 1.97KJ, Delta U = 0
Delta U = -1.03KJ, Q = -1.03KJ, Delta H = -1.72KJ
Explanation:
The deatiled step by step calculation using the ideal gas equation (Pv =nRT), The first law of thermodynamics ( dQ =dW + dU) as applied is as shown in the attached file.