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Author Question: The following orbitals are placed in the correct filling order: 4f, 5d, 6s, 6p. (Read 26 times) |
Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.