A cyclist is rounding a 20-m-radius curve at 13 m/s . What is the minimum possible coefficient of static friction between the bike tires and the ground

answer: i pick a

explanation:

the entire statement is true and correct.  

there's no diagram, nothing is illustrated, and no question is asked.

current flows in a wire

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.