Answer:
1st one is right..it helps filter waste inside the cell.
Independent is the variable that you change
Dependent is the thing you measure
Answer:
Answer is Ca2+(aq)+S2-(aq)=>CaS(s)
Explanation:
I hope it's helpful!
Answer:
work out if it's either going to sink or float
Explanation:
this can be carried out by calculating the numbers
<span>Both provide approaches to confirming the result of experimentation. Repetition can be developed by one scientist or team continually achieving the expected result but replication requires an independent person or team shows thay can arrive at the same answer independently</span>
