D! all of the others are commonly used
A. The worm population would increase, because there are no predators to eat them up!
Answer:
The EMF of the batteries connect in series in the circuit is 12 V.
Explanation:
Given;
two batteries, each is 6 V
The EMF of the batteries connect in series in the circuit is calculated as sum of the voltage of the two batteries since they are connected in series.
EMF = V₁ + V₂
EMF = 6V + 6V
EMF = 12 V
Therefore, the EMF of the batteries connect in series in the circuit is 12 V.
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E & 4. A & 2. C & 5. B & 3. D & 1. Im not positive that these r the answers but, heres what <em>I think.</em>