A variety of abbreviations exist to designate the applicable certifications, specialties and education of nurse practitioners. General Abbreviation The general abbreviation for nurse practitioners is NP. A general nurse practitioner has completed at least a bachelor degree and has a license to work as a registered nurse (RN) in her home state. Additionally, she has at least two years experience practicing as an RN and has completed a masterâs degree and additional training.
Our body creates most of our vitamin D from direct sunlight on our skin. We also get vitamin D from some foods â including eggs, meat and oily fish such as salmon, mackerel and sardines.
Full Answer. The sun gives off radiation as well as heat energy. The amount of radiation that the Earth receives depends on the Earth's position and the amount of clouds in the Earth's atmosphere. The radiation given off by the sun affects the Earth's climate patterns and its overall temperature. Solar activity, such as solar flares or sunspots, increases the amount of radiation that is given off by the sun and causes the Earth to have dramatic changes in temperature. Sunlight is an important component ...