Select the correct answer.
The presence of which phenomenon proved the predictability of the big bang theory?
O A.
death of large, ancient stars
B.
cosmic microwave background (CMB)
O c. formation of the Orion nebula
D. formation of new stars
Racet
N
.

astronomers such as edwin hubble.

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warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

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