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  11 Write either positive or negative, you have to pick.  [11] 12 (one word answer, just the name of the test) [12]

How many electrons are in the Rb+ ion?

The oil spill in the Gulf of Mexico has affected / effected the economy and the environment in negative ways.

Baldwin has used his Twitter account to rebut/refute criticism.

Which of the following is not part of an SPCC plan?

Solid waste cannot be stored within ___ feet of any body of water.

The market for recovered glass is very strong.

Compressed gas cylinders do not need special management after they are emptied.

A solution is an example of a (an)

If you count 7 pennies, you can only report one significant figure in that measurement.