What was one contribution made by eratosthenes in ancient greece? he wrote a geometry textbook that was used for nearly 2,000 years. he calculated the value of the infinite number known as pi. he computed the circumference of planet earth. he developed military tactics that still apply today.

The nineteenth century was an era of great inventions in the united states. look at the list of inventions below and order them from most to least important (in your opinion). then explain why you ranked the top three inventions as most important. 1834: refrigerator invented by jacob perkins 1837: morse code invented by samuel morse 1853: elevator invented by elisha graves otis 1873: typewriter invented by christopher latham sholes 1876: telephone invented by alexander graham bell 1877: gramophone invented by thomas edison 1879: light bulb invented by thomas edison 1886: dishwasher invented by josephine cochran

Here’s the first one let me send the next page of the passage

-what is one question you might ask after reading the fred munguia's story?