21. share your best tip or trick you learned or created for this course to apply proper spelling, word division, punctuation, capitalization, numbers, and abbreviations. be sure to explain exactly what your tip or trick you accomplish.

Analyze the impact of the availability of health services in the community and the world. research various school and community health services for people of all ages such as vision and hearing screenings and immunization programs. identify situations requiring professional health services for people of all ages such as primary, preventive, and emergency care.