This may be a sebaceous cyst. This type of bump develops when sebaceous glands are blocked. Sebum builds up and a bump develops. This bump can feel hard to touch. Sebum is naturally produced, so there usually is not inflammation.
Answer:
The differnece between nagative and postitve is negative can stress o=you out and Positve stress can bring you happness and help you be happy
Explanation:
I believe the answer is a.
