Answer:
1879
Explanation:
It was made on 1879, by Thomas Edison
The city of Babylon i think and some other place
Answer:Many scholars believe that the collapse of the Indus Valley Civilization was caused by climate change. Some experts believe the drying of the Saraswati River, which began around 1900 BCE, was the main cause for climate change, while others conclude that a great flood struck the area.
Explanation:
Two congruent triangles are polygons which have the same angles, number of sides and measurement of the lengths. This means the height and the legs of the triangle has the same measurements. When the two are superimposed to each other, the answer would have to be C
You are going to have to search it up online to get your answer
