The Internet as a source of reproductive health information among adolescent girls in an urban city in Nigeria
Answer:
between-subjects design
Explanation:
According to my research on different experimental designs, I can say that based on the information provided within the question the best way to make sure that the internal validity will not be influenced by an outside event is to switch to a between-subjects design. This type of design is an experiment design that has two or more groups of subjects each being tested by a different testing factor simultaneously. Since they are done simultaneously it significantly reduces outside influence.
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Answer:
A combining form consists of a word root and combining vowel. The prefix often indicates the body system or organ being discussed. Combining vowels make medical terms easier to pronounce.
Answer:
The answer is C. CFCsfrom cleaning and cooling materials combine with other molecules in the air, harming Earth’s protective ozone layer.
Explanation:
Chlorofluorocarbonsand (CFCs) halons destroy the earth's protective ozone layer, which shields the earth from harmful ultraviolet (UV-B) rays generated from the sun. CFCs and HCFCs also warm the lower atmosphere of the earth, changing global climate. Hydrofluorocarbons (HFCs) also act to warm the planet. The Minnesota Pollution Control Agency (MPCA) is working with industry, residents and government to reduce the damage done to the ozone layer and global climate by CFCs, HCFCs, HFCs and related chemicals.
