What contributions did Archimedes, Euclid, Eratosthenes, and Aristarchus make in the Hellenistic Age?

Choose all that apply during the years of the industrial revolution 1. the average life expectancy decreased 2. the worlds population decreased 3. birth rates decreased 4. the average like expectancy increase

Trench warfare began after germany failed in its initial plan to seize france and bring a quick end to the war. negotiate a temporary truce with the allied forces. attack the allies by sea with its powerful navy. storm across the eastern front to attack russia.

This paragraph has a sentence that does not belong. to find it, read the topic sentence again. which sentence is not about george washington? draw a line through that sentence.