Biology, 21.07.2019 15:00 christopherwilde
Dr. proctor is conducting an experiment to see if hummingbirds will visit red flowers more or less often than they visit yellow ones. what will be the independent variable in dr. proctor's experiment
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Biology, 21.06.2019 19:00
Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 → 2fe2o3. identify the value of x that will balance the equation.
Answers: 3
Biology, 22.06.2019 08:30
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
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Biology, 22.06.2019 11:00
The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian
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Biology, 22.06.2019 13:00
Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.
Answers: 3
Dr. proctor is conducting an experiment to see if hummingbirds will visit red flowers more or less o...
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