Answer:
They established of a postal system
The spread of weapons that used gunpowder
The extension of the grand canal in China
The invention of new medicines
Explanation:
The Pax Mongolica refers to the stabilizing impacts of the conquests of the Mongol Empire on the social, cultural and economic life of the citizens of the vast Eurasian territory that the Mongols conquered in the 13th and 14th centuries.
Answer:
RAtion foods. More systainable living
Explanation:
Using a microscope
Explanation:
A microscope is a scientific device used for magnifying and studying very tiny features.
It was invented by Anton Von Leeuwenhoek in the 17th century.
- A unicellular organism is an organism made up of a single cell.
- A multi-cellular organism is made up of several cells.
- A cell is a very small microscopic structure.
- It is usually described as the fundamental unit of life.
- Due to its small size, the naked eyes cannot see it
- The invention of the microscope opened up the world of cells.
- Since they have been around for a long time, distinction of cells would have been made possible at those times using a microscope.
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Answer:C
Explanation:When the ball it up high it holds gravitational potential energy, as it rolls down it gain kinetic energy which is then turned into heat energy due to friction
Answer:
u have to find the circumference diameter and radius of the two balls
Explanation:
