Who mainly wrote the Declaration of Independence

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste

Plz which of the following elements is not typical of an advanced society. a. cities b. science c. industries d. a nomadic lifestyle

What change took place in the african slave trade in the 1500's?