Answer:
A ratio is a way to compare quantities of things.
Explanation:
by dividing the number of moles of each by the smallest number of moles.
D)
(()(){({)({)(()({)())({)()({)()()()9
Answer:
3.75 m/s^2
Explanation:
The centripetal acceleration of an object in uniform circular motion is given by the equation:

where
v is the tangential speed of the object
r is the radius of the trajectory
In this problem, r = 60 m and v = 15 m/s, therefore the centripetal acceleration of the car is

An LED is useful because when a current passes through it, it gives out light.
Answer:
Prominences
Explanation:
Their arched shapes show that they are formed of ionized gas trapped in the magnetic field. You see prominences in filtergrams as dark filaments silhouetted against the bright chromosphere.