What would earth’s temperature be without the greenhouse effect?

the global temperature would be minus 19 degrees celsius.
the greenhouse effect does not affect global temperatures; it only has local effect.
without the greenhouse effect, the earth’s temperature would hover just above freezing the entire year.
without the greenhouse effect, the earth’s temperature would reach 26.6 degrees celsius (80 degrees fahrenheit).
without the greenhouse effect, the north and south poles would disappear.

The global temperature would be minus 19 degrees Celsius.

Explanation:

Without the Greenhouse effect, the Earth temperature would be around 0 degrees Fahrenheit, that is, around -19 degrees Celsius. The greenhouse effect helps the Earth retain some of the radiation from the atmosphere, so, without this effect, it would be very cold.

answer; in the united states the plains include the great plains of the west and the tail grass prairie to the south of the great lakes extending east to the appalachian plateau