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Author Question: The first fuel was A) coal. B) petroleum. C) blubber. D) ... (Read 93 times)

lindiwe

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on: Aug 27, 2018
The first fuel was
 
  A) coal.
  B) petroleum.
  C) blubber.
  D) wood.

Question 2

The main ingredient in oven cleaners is
 
  A) acetic acid (vinegar).
  B) bleach.
  C) citric acid.
  D) sodium hydroxide.


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Dnite

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

D


lindiwe

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Reply 2 on: Aug 27, 2018
Gracias!

EAN94

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Reply 3 on: Yesterday
Excellent

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