Achange in the direction of a wave when the wave finds an obstacle or an edge, such as an opening bending of waves around a barrier is called

a

question 3 options:

refraction <

diffraction<

crest

trough

whichever one it is, it's definitely not one that you included on the list you provided.

answer: d. a cme increases the amount of energy in the solar wind

explanation:

coronal mass ejections, also called cmes, are large clouds of plasma and magnetic field that erupt from the sun. only when the cloud is aimed at earth will the cme hit earth and therefore cause impacts. high-speed solar wind streams come from areas on the sun known as coronal holes.