Answer:
Scandium with an ion charge of +3
Explanation:
The answer is seeds the thing that with proper care grows plants
What is NOT one of the three primary resources that families have to reach financial goals? It is c) education
Efficiency or
is calculated by formula:
where
also efficiency has no unit.
Now put in the data and calculate the efficiency.

The efficiency of the machine is 0.8
If you want to get percentage just multiply by 100 and you get 80%
Hope this helps.
r3t40