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Lost4ever Lost4ever
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6 years ago
The soil type that has the best oxygen concentration and water penetration is called ________.
 
  a. topsoil
 b. leaching
 c. loam
 d. rock
 e. humus

Question 2

Some genetically modified tobacco plants can express the light-producing chemicals present in
  fireflies.
 
  Indicate whether the statement is true or false.
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wrote...
6 years ago
Answer to q. 1

c

Answer to q. 2

T
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