Answer: learned to write and speak English
Explanation:
If the half-life is 5 minutes, then 30 minutes is equivalent to 6 half-lives. So, after six successive half-lives, the 400 mg of the radioisotope would have a mass of 400(0.5)⁶ = 6.25 mg.
Thus, A would be the correct answer choice here.
I would go with A. It seems the most obvious to be correct plus it is true.
The suspension system
keeps the vehicle's tires in contact with the road.
<u>Explanation:</u>
The suspension system that is present in a car comprises of springs and shock absorbents. This system helps in absorbing the road bumps as result of it so won’t feel them as much.
This system also helps in keeping the tires in contact with the road irrespective of the driving conditions. It comprises of tires, shock absorbents, struts, springs, arms, linkages, bars, bushings, and joints. The components are placed between the frame of the road and the vehicle.
Answer:
only ten points I would do it for more but sorry
