Direction: In the following questions, sentences are given with blanks to be filled with an appropriate word(s). Four alternatives are suggested for each question. Choose the correct alternative out of the four as your answer.
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Serious threat to our ecology and environment can be ______________ with organic cultivation.
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- hastened
- impeded
- aggravated
- combated
Correct Option: C
As we can say that ,
The correct word is filled in the above given sentence :-
Serious threat to our ecology and environment can be aggravated with organic cultivation.