The answer is letter D.
Slavery began in ancient times and has existed around the world in different forms. Many evidences in Ancient Egyptian cultures tell stories of slavery in the building of colossal monuments of power. Other accounts are the first civilizations who used slaves to perform agricultural tasks and other forms of productions in their time. African Americans were also enslaved some time in history, being sold from one market to other. Native Americans were also enslaved during the colonization of the European society.
The stages of a developing wave cyclone (in order of occurrence) are stationary front, frontal wave, open wave, mature, and advanced occlusion
Front wave A wavy deformation of the front between two air masses. Waves develop northward from the ingress of warm air, usually moving along the front, with cold air in front and behind. Or the center of the storm moves more or less east as a "secondary" over the original cyclone along an extended cold front.
An extratropical cyclone, also known as a wave cyclone or mid-latitude cyclone, is a type of cyclone that forms at mid- or high-latitudes in areas of large horizontal temperature variation called frontal zones. storm system.
Learn more about frontal waves here
brainly.com/question/1363382
#SPJ4
6/1000 would be a fraction of a percent?