Cells and Reactions
100

This type of reaction absorbs energy from its surroundings.  

Endothermic reaction

200

Sweating and burning wood belong to these two opposite types of reactions. Name them.

Sweating = endothermic; burning wood = exothermic.

300

List two of the three principles of the cell theory. 

All living things are made of cells; cells are the basic unit of life; all cells come from preexisting cells

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