Multiple choice When Earth, the moon and the sun form an angle of ________ spring tides occur. 65 degrees 108 degrees 180 degrees 95 degrees Reveal answer Fill a bubble to check yourself C Correct answer Explanation Spring tides occur when the Earth, Moon, and Sun align in a straight line (180 degrees), creating the greatest gravitational pull. This happens during new moon and full moon phases, causing higher high tides and lower low tides.