What are the factors that influence the effectiveness of chemical sanitizers?
✅Concentration
✅ Temperature
✅ Contact time

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In piaget's stage, you would expect one to develop interest in ethics, politics, and social and moral issues.

What does it mean to say that "service sector" jobs are predominant in europe's mixed economies today? a. that jobs where people work in factories predominate b. that jobs where people do something for others predominate c. that jobs where people work the land predominate d. that jobs in government predominate

When the communist, under mao, took control of china in 1949 they announced total support support for which country and its ideology?