Biology, 23.08.2019 05:30 trashbinkid
humans have bones and muscles that us move. what structure protects insects and gives them structure?
a. skin
b. rigid tubes
c. exoskeleton
d. other muscles
Answers: 2
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Explain why scientists use the word dominant for certain traits.
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Brass gets discoloured in air because of the presence of which of the following gases in air? a. oxygen b. hydrogen sulphide c. carbon dioxide d. nitrogen
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humans have bones and muscles that us move. what structure protects insects and gives them structur...
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