What activities should be avoided when in open areas around and under the vessel swim platform to keep from carbon monoxide?

The embryonic stage is the most critical stage of fetal development. true false

A72-year-old woman fell in her bathtub and fractured her hip. in viewing the fracture, x-ray revealed osteoporotic changes in her bone as well. after reduction of the fracture, and immobilizing the bones with internal pins, what type of exercise would the doctor have advised her to do as soon as she was able in addition to prescribing calcium supplements to improve her bone mass?

Wjat are substances intentionally added to food to produce a desired effect?