Hello my pretty setter if your a part of the LGBTQ+ and like anime come talk to me and we can be weeb's. Go to z00m. com and join a meeting and then put the ID and Code in! Lets have some fun :D The z00m ID and code are
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What causes spoilage of food through infestation and contamination, and reduces its nutritional value? a. bacteria b. enzymes c. insects d. mold e. yeast

[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine.what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.

In summing we use which law of motion