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What do these scientists say is the cause of the increase in temperature
throughout the 20th century?

Sagot :

TheOutlawidn

Answer:

What do these scientists say is the cause of the increase in temperature throughout the 20th century? natural climatic variability.

Scientists attribute the global warming trend observed since the mid-20th century to the human expansion of the "greenhouse effect"1 — warming that results when the atmosphere traps heat radiating from Earth toward space.

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