- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: N = 76, x = 31; 98 level A) 0.276 to 0.540 B) 0.297 to 0.519 C) 0.298 to 0.518 D) 0.277 to ... (Read 18 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Illicit drug use costs the United States approximately $181 billion every year.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
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.