However, at times this balance in nature is ________ resulting in a number of  possibly unforeseen effects.

A. troubled          B. bothered        C mixed     D. disturbed

However, at times this balance in nature is ________ resulting in a number of  possibly unforeseen effects.

A. troubled           B. bothered         C mixed      D. disturbed

However, at times this balance in nature is ________ resulting in a number of  possibly unforeseen effects.
A. troubled          B. bothered        C mixed     D. disturbed

 However, at times this balance in nature is ________ resulting in a number of  possibly unforeseen effects.

A. troubled           B. bothered         C mixed      D. disturbed

However, at times this balance in nature is ________, resulting in a number of possibly unforeseen effects.

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