a. active zone
Biology, 25.09.2019 20:00, hannahbear3747
The top layer of soil in the tundra that thaws in the summer is called the
a. active zone
b. dense mat
c. photic zone
d. permafrost
Answers: 2
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Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas
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Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell
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In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.
Answers: 3
The top layer of soil in the tundra that thaws in the summer is called the
a. active zone
a. active zone
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