How did the mongols interact with the environment

The Mongols had a complex impact on the environment. These effects can be grouped into negative and positive effects. In terms of negative effects, the Mongols regularly depopulated towns and villages that they conquered throughout Europe. In other cases, they confiscated the livestock and crops. Mongols are also blamed for the spread of the bubonic plague in Europe. The plague killed about 35% of China's population and 25% of the of population in Europe. Positive effects  include a century of peace from 1280 to 1360, the reopening of the silk trade routes across China and Europe, increasing cultural exchange and wealth.

the space race was a battle to make advanced technology to get to the moon and to get a better understanding of space.

aug 15, 2012 - although van leeuwenhoek was not the inventor of the microscope, he advanced it more he loved to grind and focus a new lens in order to see the unseen world. most of leeuwenhoek's microscopes were silver. in a simple but significant experiment (1668), he demonstrated that worms found on