A 2 column by 3 row table. Column 1 is titled Planet A with the following entries: Atmosphere is mostly carbon dioxide, Surface is red, It has a few clouds. Column 2 is titled Planet B with the following entries: Atmosphere is rich in oxygen, Surface has liquid water, It has many clouds. What is the identity of planet A?

What is the identity of planet B?

Planet A: Mars

Planet B: Earth

Explanation:

I got it right on Edge 2020, your welcome :)

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.