Biology

Answer: B) Overproduction of sebum, clogged pores, and bacterial infection

Explanation:

Acne is primarily caused by the overproduction of sebum (oil) by sebaceous glands, leading to clogged pores.
When these clogged pores trap dead skin cells and bacteria (particularly Propionibacterium acnes), inflammation and breakouts occur.
Hormonal changes, particularly during puberty, can increase sebum production, worsening acne.

Option A (Excessive sweating): Sw...