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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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lisandra777 lisandra777
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6 years ago
Most trees need to be ____________________ for good support.
 
  Fill in the blank(s) with the appropriate word(s).

Question 2

The electrical spark that ignites the air and fuel mixture in the combustion chamber is generated by a _____ created by _____.
 
  A) magnetic field; magnets
  B) battery pack; batteries
  C) air-cooling system; coolant
  D) lubrication system; oil

Question 3

When transplanting broadleaf evergreens, the hole should be wide enough so that _____ inches of space exists all the way around the root ball.
 
  A) 6-12
  B) 12-18
  C) 18-24
  D) 24-30

Question 4

_____ is usually the mechanical power produced when converting heat energy.
 
  A) Compression
  B) Exhaust
  C) Stroke
  D) Rotating force
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ladytt92ladytt92
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6 years ago
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lisandra777 Author
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#2
6 years ago
Such an awesome helper!
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