Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
Earth Day
0
%
0
0
0
Back
Restart
witness
to know something because you saw it happen
Oops!
Okay!
conserve
keep from being wasted; save
Oops!
Okay!
100 years
century
Oops!
Okay!
admire
look up to; respect
Oops!
Okay!
century
100 years
Oops!
Okay!
once a year
annual
Oops!
Okay!
growing well and staying healthy
thrive
Oops!
Okay!
look up to; respect
admire
Oops!
Okay!
hate
despise
Oops!
Okay!
keep from being wasted; save
conserve
Oops!
Okay!
adverse
bad; cause harm; cause damage
Oops!
Okay!
to know something because you saw it happen
witness
Oops!
Okay!
annual
once a year
Oops!
Okay!
bad; cause harm; cause damage
adverse
Oops!
Okay!
thrive
growing well and staying healthy
Oops!
Okay!
despise
hate
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies