Puzzle 4

Cheery sound made by blowing air over teeth.

2015 Oscar winner about Boston Globe investigation.

Sensitivities to ingredients or particles.

Early name for Constantinople.

One-humped desert ruminant, aka the Arabian camel.

English soccer team nicknamed The Reds.

Abrasive material for rubbing down wood.

An underwater ecosystem made of calcium carbonate.

Mars rover that landed on the Red Planet in 2012.

Thinly rolled baked or fried dough, e.g. pita.

A submarine captain uses one to see the surface.

Christmas lyric, __ roasting on an open fire.

A woman who performs magic, like a witch.

Brit classification of small, hatchback-style cars.