How can oxygen be put back into water?
What will be an ideal response?
Mechanical aerators can be used to put oxygen back into water. These devices sling
water into the air where oxygen becomes mixed with the water.
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Explain the difference between structural concrete and insulating concrete.
What will be an ideal response?
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An animal with parents of different breeds is called a ____________________
Fill in the blank(s) with correct word
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If equals are added to equals, the sums are equal.
Answer the following statement true (T) or false (F)
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Briefly describe the repercussions of insufficient oil and excessive oil in a motor.
What will be an ideal response?
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