Humid subtropical climates are home to

a) dense shrubs
b) thick coniferous forest
c) grasslands and few trees
d) coniferous and deciduous trees

A) Dense shrubs

Explanation:

D: coniferous and deciduous trees.

Trust ME IT IS NOT A

Explanation:

i did test

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.