What is the speed of a car that travels 600 m in three-sec? * 1800 m/s
0.015 m/s
O 603 m/s
200 m/s

The activity series is shown in the attached picture. if the element is below the other, then you can displace the other. following the activity series as a guide, the reactions are as follows: nickel and aluminum chloride3 ni + 2 alcl₃  → 3 nicl₂ + 2 albarium and copper bromideba + cubr  →  no reaction because cu is less oxidizable than bapotassium nitrate and aluminum3 kno₃ + al  → al(no₃)₃ + 3 ksodium phosphate and zincnaso₄ + zn  → znso₄ + na

B"hf and f-"  is the correct answer took the test on edgenuity and got it right     

C) the increase in atmospheric pressure pushes the walls of the balloon outward thus making it  is the answer.hope i you.