Based on the information in the graph, which atom listed below is the most stable?

a. helium-4 (he-4)
b. iron-56 (fe-56)
c. uranium-238 (u-238)
d. hydrogen-3 (h-3)

Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)

Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in