TOEFL

institutional - relating to an organization founded for a specific purpose

boost - increase :: encouragement promote advance further

sustainable - capable of being prolonged

ample - more than enough in size or scope or capacity :: abundant more than enough copious spacious large sizable bountiful generous wide

strain - to exert much effort or energy

effort - use of physical or mental energy; hard work :: endeavor exploit cause

demand - request urgently and forcefully :: requirement need require

precipitation - the falling to earth of any form of water

gain - obtain

photosynthesis - synthesis of compounds in plants aided by radiant energy

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