Riley lives near a polar zone, where it is cold. He visits his friend Thalia, who lives in a tropical zone, where it is warm all year. They live at similar elevations, and neither lives in a coastal area. What causes the differences in climate where Riley and Thalia live?

altitude
latitude
ocean currents
a large body of water

latitude

causes the differences in climate where Riley and Thalia live

powerful computers now, not then

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.