How did the inventors keep the barrel of the machine gun from melting?
a
they were made from a different kind of steel
b
they didn't, the guns melted all the time
c
the were either air cooled or water cooled
d
the would stop shooting if they got too hot.

Why were the numbering trials held from 1945 to 1946 ?

Which action by the us war department angered chief red cloud to the point that he refused to sign the treaty of fort laramie ? a) the killing of buffalo by the united states troops b) the appointment of troops to the powder river basin c) the burning of parts of the powder river basin d) the murder of chief red cloud’s wife

What is the evidence that depression can be linked to genetic as well as environmental factors? a. all individuals in similar stressful environments do not experience depression. b. all individuals with the gene variation tied to depression do not experience depression. c. individuals with a combination of environmental stress and gene variation are more likely to experience depression d. all of the above select the best answer from the choices provided оа 0 0 0