Items such as graphics, charts, or spreadsheets that can be inserted into word documents are called:
a. blocks.
b. objects.
c. templates.
d. placeholders.

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6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.

Which of the following are molecules? a. al b. ag c. mgcl2 d. nacl e. c3h8