How does concurrent powers relate to federalism

Your room is still fairly dark when you wake up early one morning. you look over at your shirt hanging on a hook. you know it's your red shirt because you hung it up there before you went to bed, but in the dark you can't see its color. it looks dark gray to you. why is that?

(i think the answer is c, can someone confirm if i’m correct? if not correct and i’ll mark you brainliest + 15 free points ) even when you have the right-of-way, you're responsible for before you drive forward. a. yielding to other road users b. honking to alert other road users c. making sure the path is clear d. flashing your headlights

Sorry two big valves your rpm will go down plus the smaller ones will give you more horsepower your rpm will go up the answer is b