An opossum walks 4 km south, then 3 km west, and then 6 km 20 degrees west of north. Determine the magnitude and direction (angle) of the resultant displacement vector. please help!

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?

Apersons beliefs and general outlook, which act like filters on the information they receive are called ?