- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: The manufacturer of a refrigerator system for beer kegs produces refrigerators that are supposed to ... (Read 57 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.