13. which of the following represents replacement reproduction?
a. each couple has only two c...
Biology, 09.01.2020 00:31 christian2510
13. which of the following represents replacement reproduction?
a. each couple has only two children
b. a couple has no children but each has two siblings
c. a government policy that limits the number of children per family
d. a couple with four children
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Answers: 3
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The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a. an ionic bond is formed between the oxygen and carbon atoms. b. four valence electrons are shared. c. two valence electrons are shared. d. valence electrons are shared between oxygen atoms.
Answers: 1
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Vessels draining the myocardium of the heart, open primarily ,into which chamber?
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Can happen anywhere along the spine if the neural tube does not close all the way. the backbone that protects the spinal cord does not form and close as it should. this often results in damage to the spinal cord and nerves. a) cleft palate b) spina bifida c) encephalocele d) down's syndrome
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Many humans consume both plants and animals. these humans are considered to be which of the following? herbivores carnivores omnivores
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