What made the Fertile Crescent a good place for growing crops

The Fertile Crescent was good for farming because of the fertility of its land, a result of irrigation from numerous large rivers in the region.

Explanation:

there is no correct list among the choices you've provided.

the list might look something like this:

-- baby human

-- piccolo

-- flute

-- soprano singer

-- trumpet

-- tenor singer

-- trombone

-- baritone singer

-- baritone horn

-- bass singer

-- tuba

since i had to make up the list myself, i made it easy on myself, and i didn't try to shuffle the string instruments and woodwinds into it too.

d. air pressure decreases as altitude increases.