Investigation. Cells are the basic unit of life.
Observe the two petri dishes, and record
information about their appearances
Day Petridish (on left)containing. agar. plus. nutrients Petridish. (on right) containing agar without nutrients
1
2
3
4
5

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

Bis the

Ithink the answer is d.

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