Which activity only requires handwashing after the activity is completed

All of the following are potential risks of leaving a small child unattended in a car, except: a. hypothermia b. carbon monoxide poisoning c. car theft with child inside d. lead poisoning

Used primarily for thickening sauces and soups, a (paste/roux/stock) is made from a (1: 2/2: 1/1: 1) fat and flour.

How can a general chart for physical activity recommendations patients improve their overall health?