Answer:
A. Pregnant women, prisoners, children
Explanation:
The groups that are protected in the federal regulations (45 CFR 46), specifically in Subparts B, C, and D with additional protections are <em>pregnant women, prisoners, children. </em>In Federal Regulations, Protection of Human Subjects involved in research. Pregnant women and fetuses, prisoners and children.
The answer is Both Men and Women get Shorter
As we age, our bodies start to lose cartilage between the bones. People with Osteoporosis might even cause the spinal column to shorten.
Losing Muscle muscle mass in the body also leads to weakness and can have an impact on the height of a person.
A. Petrified
<span>Petrified wood (from the Greek root petro meaning "rock" or "stone"; literally "wood turned into stone") is the name given to a special type of fossilized remains of terrestrial vegetation. ... A forest where such material has petrified becomes known as a petrified forest.</span>
Congo River
The Congo River is the most powerful river in Africa. During the rainy season over 50,000 cubic metres (1,800,000 cu ft) of water per second flow into the Atlantic Ocean.
Africa's Nile River is the longest river in the world at 4,135 miles, or 6,650 km long.) That makes the Congo River the ninth-longest in the world.
The Congo Rain Forest is located in central Africa. Spans approximately 1.5 million square miles. World's second largest rain forest. One of the most endangered ecosystems in the world due to commercial logging and expansion of farming.
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