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yulyashka [42]
3 years ago
7

What is the best explanation of electric current in a wire? Electrons build up in the wire and create a charge. Protons are push

ed along by electric forces. Electrons flow because of electrical attraction and repulsion. Atoms move because of heat.
Biology
2 answers:
Mekhanik [1.2K]3 years ago
7 0

Answer: Electrons flow because of electrical attraction and repulsion.

Explanation:

-Electrons build up in the wire and create a charge. This is false, electrons do not "build up" like water would in a pipe.

-Protons are pushed along by electric forces. This is false, protons do not generate elecricity.

-Electrons flow because of electrical attraction and repulsion. This is true. Electrons flow by attracting and repulsing other electrons.

-Atoms move because of heat. This is partially true, but does not explain how electric current moves in a wire.

Zigmanuir [339]3 years ago
6 0

Answer:C. Electrons flow because of electrical attraction and repulsion.

hope this helps :)

Explanation:

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When a BB male and a Bb female are crossed, 50% BB and 50% Bb genotypes are produced and a 100% black phenotype.

The entire number of genes that an organism receives from its parents makes up its genotype. Alleles, which are pairs of these genes, are found. One gene is dominant and one gene is recessive in each allele.

The dominant gene is always expressed in a cross if it is present. Only when a pair of alleles is made up of two recessive genes does the recessive gene express itself. In this instance, the white fur is subordinate to the black fur. White fur is represented as b, while black fur is represented as B.

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P(Bb) = 2/4 = 0.5 or 50%

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