The quantities mixed vary, depending on the acidity of the mixture.

The quantity of post office boxes in a station varies widely.

The quantity and types of resources vary from game to game.

Quests are an important part of the game, though the quantity and quality varies at different levels.

The ingredients and quantities needed vary, depending on the recipe.

Many of the selections are closeouts, so quantities and patterns vary.

Call it, instead, a region in which some quantities vary according to your position.

The quantity of water in the cavern varies greatly at different seasons.

The quantity and quality may vary according to personal taste.

Secondly, the quantity of fat in the mother's milk can vary.