True or False: The average global temperatures measured during the first decade

Question

True or False: The average global temperatures measured during the first decade of the 21st century are the warmest the Earth has ever experienced. Select one: a. True b. False In the video lecture on the model page titled "2. Is it hot?" how much cooler were the globally averaged air temperatures 20,000 to 50,000 years ago during the last ice age? Select one: a. 0 degree C to -1 degree C b. -3 degree C to -6 degree C c. -10 degree C to -20 degree C d. -50 degree C to -100 degree C True or False: Sun spots are small areas on the Sun's surface where the temperature is cooler than the surrounding area. Select one: a. True b. False

Explanation / Answer

1) true

This is the first time in the NOAA record that a monthly temperature departure from average exceeded 1°C or reached 2°F and the second widest margin by which an all-time monthly global temperature record has been broken.

it was not first time recorded in the 21 st century.

2)d.-50°C to-100 °C

3)TRUE

The sunspot has a central dark part calle umbra it appears dark because it is cooler than the other sun surface has lighter spots.

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