Which of the following explains how electricity flows? Protons flow from the positive end of a source towards the negative end.E
lectrons flow from the negative end of a source towards the positive end.
Protons flow from the negative end of a source towards the positive end.
Electrons flow from the positive end of a source towards the negative end.
Protons flow from the negative end of a source towards the positive end.
Electrons flow from the positive end of a source towards the negative end.
1 answer:
I know for a fact the answer would (not) be the last option. This would not be a way that electricity would be able to really flow.
Your correct answer would be of when the "e<span>lectrons flow from the negative end of a source towards the positive end."
This would be because when the electrons would be free, they would have enough energy to then move from the negative side of the end, to the positive side.</span>
Your correct answer would be of when the "e<span>lectrons flow from the negative end of a source towards the positive end."
This would be because when the electrons would be free, they would have enough energy to then move from the negative side of the end, to the positive side.</span>
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Answer:
1. All red calves i.e. RR
2. All roan calves i.e RW
3. 2 red calves (RR) and two roan calves (RW)
Explanation:
According to this question, a gene coding for fur colour in cattle is involved. Red alleles (R) and white alleles (W) are co-dominant to produce a roan cattle (RW). The possible traits of the following crosses are (see attached punnet square):
1) A red bull (RR) is mated to a red (RR) cow: All red calves i.e. RR
2) A red (RR) bullis mated with white (WW) cow: All roan calves i.e RW
3) A roan bull (RW) is mated with red (RR) cow: 2 red calves (RR) and two roan calves (RW).
