The answer to the question above would be that the words that are properly spelled are the following ones: Environment and miniature.
All the other words are spelled incorrectly. Hinderance should be "hindrance", incidently should be "incidentally", sophmore should be "sophomore" and, finally, mathmatics should be "mathematics".
The correct answer would be c. But beware, for and they be small, For after death amends may no man make, For then mercy and pity doth him forsake. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.