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Author Question: If an experiment contains a confound, then a. it is very difficult to interpret the results of ... (Read 49 times) |
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
The average adult has about 21 square feet of skin.