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Sentence Correction: Redundancy - "as well as"

Despite our increased awareness of ecological consequences, oceans as well as rivers are being heavily polluted by various industries.

This answer choice creates Redundancy with the phrase as well as. Although as well as is a stylistic flaw, it is one of the specific Redundancies that should always be corrected.

Using as well as instead of and is redundant.

What helps us identify this Redundancy error is the following Stop Sign:

as well as

Additionally, using the passive form (are being heavily polluted) creates Redundancy. Since there is another grammatically correct answer choice that does not use the passive form, it is preferable to this one.

This answer choice repeats the original Stylistic flaw by creating Redundancy with the phrase as well as. Although as well as is a stylistic flaw, it is one of the specific Redundancies that should always be corrected.

Using as well as instead of and is redundant.

What helps us identify this Redundancy error is the following Stop Sign:

as well as

This answer choice corrects the original Redundancy by removing the phrase as well as, but it too is stylistically flawed. Using the passive form (are being heavily polluted) creates Redundancy. Since there is another grammatically correct answer choice that does not use the passive form, it is preferable to this one.

This answer choice corrects the original Redundancy by removing the phrase as well as, but it too is stylistically flawed. Using the passive form (are being polluted heavily) creates redundancy. Since there is another grammatically correct answer choice that does not use the passive form, it is preferable to this one.

Very good!

This answer choice eliminates both of the original Stylistic errors by changing the sentence from passive to active, and by replacing the phrase as well as with the more concise and.

oceans as well as rivers are being heavily polluted by various industries
oceans and rivers are being heavily polluted by various industries
rivers and oceans are being polluted heavily by various industries
various industries are heavily polluting rivers as well as oceans
various industries are heavily polluting rivers and oceans