Accessibility refers to things that help people with disibilities. ex. A wheelchair.
The clean organized system that both of them had
B trains were dangerous
Explanation:
A major disadvantage of rail freight is its lack of flexibility.
The national debt grew rapidly
<span>The answer should be C. - A nebula (from Latin: "cloud"; pl. nebulae or nebulæ, with ligature, or nebulas) is an interstellar cloud of dust, hydrogen, helium and other ionized gases. </span><span>As the cloud collapses, the material at the center begins to heat up to form the protostar</span>