Earth Science Regents (June 2019) - #26-50

Answers/Explanations - timestamps below:
#27 - 3:40
#28 - 4:44
#29 - 5:44
#30 - 6:31
#31 - 7:24
#32 - 8:14
#33 - 10:28
#34 - 12:38
#35 - 14:43
#36 - 15:22
#37 - 17:08
#38 - 17:32
#39 - 18:57
#40 - 20:25
#41 - 21:01
#42 - 21:46
#43 - 23:16
#44 - 24:18
#45 - 25:44
#46 - 27:33
#47 - 28:51
#48 - 30:23
#49 - 31:29
#50 - 32:27