Please capitalize where necessary: blackheads are skin follicles, also known as open comedones.
A: Blackheads are skin follicles, also known as open comedones.

Please capitalize where necessary: brunei, photos of brunei, brunei pictures » bandar seri begawan - the capital and largest city of the sultanate of brunei
A: Brunei, photos of Brunei, Brunei pictures » Bandar Seri Begawan - the capital and largest city of the Sultanate of Brunei

Please capitalize where necessary: this enjoyable audio course presents the learner with words and phrases in both icelandic and english. this exposes the learner to real life dialogue in real life situations. just listen, absorb and enjoy.
A: This enjoyable audio course presents the learner with words and phrases in both Icelandic and English. This exposes the learner to real life dialogue in real life situations. Just listen, absorb and enjoy.

Please capitalize where necessary: exercise: regular exercise can keep you healthy and guard against infectious attacks.
A:
Exercise: Regular exercise can keep you healthy and guard against infectious attacks.