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mario62 [17]
3 years ago
8

Dvd Credit card Stereo speaker Computer hard drive The listed devices all use which force? A) X rays B) magnetism C) electricity

D) ultra violet radiation
Biology
2 answers:
maria [59]3 years ago
3 0
B. Magnetism? That how headphones work so id imagine same principle.

Mekhanik [1.2K]3 years ago
3 0
I believe it is c because these electronic things need some sort of spark to work, but i am not entirely sure. I hope this helps :D
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3 years ago
a. What do the letters R and I represent ? b. What is the genotype of the pink-flowered snapdragons? c. Explain whether the alle
-Dominant- [34]

Answer:

a) R= allele for red colored flower

I= Allele for ivory flowers

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d) 100%

Explanation:

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The genotype of red-flowered snapdragon plant = RR. The genotype of ivory flowered snapdragon plant= II. When a red-flowered snapdragon plant is crossed with an ivory flowered snapdragon plant, the progeny is heterozygous in nature with the "RI" genotype. The phenotype of the progeny is "Pink flower" since the R allele is incompletely dominant over the allele I.

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4 years ago
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