Answer:El espectro de luz visible es el segmento del espectro electromagnético que el ojo humano puede ver. Más simplemente, este rango de longitudes de onda se llama luz visible. Normalmente, el ojo humano puede detectar longitudes de onda de 380 a 700 nanómetros.
Explanation:
It would be a branch of columninaries, also would be known as a village
Slavery in the Chesapeake region began in 1619, when a Dutch trading vessel carrying 20 African men entered Jamestown, Virginia. The slave trade expanded in the following years. Between 1700 and 1770, the region's slave population grew from 13,000 to 250,000. By the beginning of the Revolutionary War in 1775, Black people made up nearly one-third of the region's population.
In the 1800s, the Chesapeake region became a focal point of the national controversy surrounding slavery because it was in the unique position of spanning free, border and slave states:
“Free states,” which did not support slavery, made up the northern portion of the region.
“Slave states” encompassed the southern portion of the region.
“Border states” allowed slavery but were allied with the free states, further complicated the region's politics.
The Texas revolution was a battle between America and Mexico. They fought over Texas because America wanted the land and Mexico didn’t want to give them the land. In the end, America won and a treaty was signed. The American revolution was between Britain and America. The colonists wanted independence from Britain and Britain wanted to keep the colonies so that they could use them to get out of debt. In the end, America won and peace was brokered. In both of these revolutions, America was victorious.
Answer:
A.) Cotton Gin
Explanation:
Cotton Gins were really popular those days.
