They have helped find cures for deadly diseases, prevented endangered animals and plants from going extinct, developed new methods for growing crops, and much more.
(They; have helped; find cures for deadly diseases) Context(They have helped,List([0, 16))):(They; have helped find; cures) (They; prevented; endangered animals and plants; from going extinct)
They have helped,List([0, 16))
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have helped have helped find prevented
find cures for deadly diseases
cures
endangered animals and plants from going extinct