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An earthquake happens when two blocks of the earth suddenly slip past one another. Earthquakes strike suddenly, violently, and without warning at any time ...
Some forgetfulness can be a normal part of aging. However, some people have more memory problems than other people their age. This condition is called mild ...
What is nutrition? Good nutrition means choosing foods and drinks that support your health. It involves regularly eating healthy foods that give your ...
During pregnancy, there are many things you can do to keep yourself and your baby healthy. They include getting regular prenatal care, eating healthy, and staying ...
What is Sjögren's disease? Sjögren's disease, previously called Sjögren's syndrome, is a chronic (long-lasting) autoimmune disease. When you have an autoimmune ...
A tsunami is a series of huge ocean waves created by an underwater disturbance. Causes include earthquakes, landslides, volcanic eruptions, or meteorites-- ...
A volcano is a vent in the Earth's crust. Hot rock, steam, poisonous gases, and ash reach the Earth's surface when a volcano erupts. An eruption can also ...
We all need clean water. People need it to grow crops and to operate factories, and for drinking and recreation. Fish and wildlife depend on it to survive. ...
