Question

correct the text by inserting or removing commas. there should be a total of three commas. organic fruits and vegetables, unlike conventionally grown ones are not treated with pesticides. still, it is necessary to wash, them under running water.

Explanation:

• A comma is needed after "conventionally grown ones" to set off the non - restrictive phrase.
• The comma after "wash" is incorrect and should be removed.

Answer:

Organic fruits and vegetables, unlike conventionally grown ones, are not treated with pesticides. Still, it is necessary to wash them under running water.