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Author Question: When soil pH is between 4.5 and 5.5, which micronutrient most commonly causes plant toxicity? A) ... (Read 52 times) |
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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.