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Author Question: Biofuels come from _____ sources. a. nonrenewable c. mineral b. renewable d. ... (Read 47 times)

sabina

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Biofuels come from _____ sources.
 
  a. nonrenewable c. mineral
  b. renewable d. oil

Question 2

Using blood from sheep that had contracted and survived anthrax, Louis Pasteur developed a(n) ___________________ _
 
  Fill in the blank(s) with correct word



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trampas

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Answer to Question 1

B

Answer to Question 2

serum



sabina

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Both answers were spot on, thank you once again



trampas

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