Share Lesson 14- "Why the Sea is Salty",(Combined)
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to help
assist
to show clearly
demonstrate
something that is hard to bear; difficulty
hardship
a reply or answer;a reaction to something
response
to make known
reveal
of a serious nature; very strict and harsh; causing pain or hardship
severe
being like others of its kind
typical
brave, courageous
valiant
watchful; wide awake
alert
to move upward
ascend
a wilderness at the edge of a settled area of a country
frontier
values and beliefs passed from generation to generation
tradition
a relative who lived in the past
ancestor
move or fall downward
descend
to keep on going; to go ahead with something; to move along
proceed
cause to stop; bring into custody
arrest
