Acommon characteristic of mountains formed by two colliding continents is marine rock. a. sedimentary b. limestone c. igneous d. metamorphic

answer: 0.20

explanation: this can only be the answew because all the other measuremnets are not close

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.

when heated, the valance electrons increased their speed and transferred the heat from electron to electron.   i just took the test.