Ancient Greeks and Roman historians recorded that during the siege of Syracuse in 212 BC, Archimedes constructed a burning glass to set the enemy Roman warships on fire. They call this contraption the death ray.
Sun; heliocentric. or D ;)
They believed that it would upset the balance of power
Answer:
What is radioactive dating? Radioactive dating is a method of dating rocks and minerals using radioactive isotopes. This method is useful for igneous and metamorphic rocks