He discovered Boyle’s Law the first of the gas law relating the pressure of a gas to its volume. He established that electrical forces are transmitted through a vacuum, but sound is not; and he also stated that the movement of particles is responsible for heat. He was the first person to write specific experimental guidance for other scientists, telling them the importance of achieving reliable, repeatable results.
Answer: B. General John J. Pershing's troops captured Pancho Villa and dispersed the rebels.
Explanation: The expedition was launched in retaliation for Villa's attack on the town of Columbus, New Mexico, and was the most remembered event of the Border War. The expeditions had one objective: to capture Villa dead or alive and put a stop to any future forays by his paramilitary forces on American soil.[2] The official beginning and ending dates of the Mexican Expedition are March 14, 1916, and February 7, 1917.
Answer:
<em> </em><em>The </em><em>machine</em><em> </em><em>gun</em>
Explanation:
<em>The </em><em>weapon </em><em>originally </em><em>developed</em><em> </em><em>by</em><em> </em><em>an </em><em>American,</em><em>Hirammaxim.</em>
