Answer: It was a disease spread through contact with animals (zoonosis), basically through fleas and other rat parasites (at that time, rats often coexisted with humans, thus allowing the disease to spread so quickly).
They spoke out against slavery through books and poetry. They helped assist escapes form plantations as well.
Soviet cosmonaut Alexei Leonov, who in 1965 became the first person in history to spacewalk, nationality : russian
Explanation:
Speed, being a scalar quantity, is the rate at which an object covers distance.
The average speed is the distance (a scalar quantity) per time ratio. ...
On the other hand, velocity is a vector quantity; it is direction-aware.
Velocity is the rate at which the position changes.
Answer:
Some of the greatest thinkers, authors, statesmen, scientists, and artists in human history thrived during this era, while global exploration opened up new lands and cultures to European commerce. The Renaissance is credited with bridging the gap between the Middle Ages and modern-day civilization.
Explanation: