Which statement best describes electrons?
a. electrons have a positive charge.
b. elect...
Biology, 08.11.2019 18:31 alydiale584
Which statement best describes electrons?
a. electrons have a positive charge.
b. electrons reside in the nucleus.
c. electrons orbit around the nucleus.
d. electrons are composed of protons and neutrons.
Answers: 3
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The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food
Answers: 3
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Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.
Answers: 1
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What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna
Answers: 2
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