The height of the potential step is 8 ev. calculate the percentage of pa when 9ev energy of particles is sent towards that potential step b) c) d) 50% 10% 25%

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods

i really dont know but i will try okay.

so i think u would just add all them up and get your answer..

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2