Answers:
I'm no biologist, but I did enjoy to transport a foodsafe course when I be going to be working in a coffee stick.
Basically, near nouns number of things that can be in food that own the potential to trade name you sick. These are call pathogens, and they are typically chemical, viral, bacterial, parasitic, and mold/fungus.
Most cases of food poisoning involve bacteria. Bacteria usually prefer temperature between 4 Celsius and 70 Celsius - we give the name that the "Danger Zone", and you want to hang on to most foods out of that zone as much as possible. That is, steam your food to at tiniest 70 C internal warmth when cooking, and refrigerate at below 4 C. For freezing, most germs will die at more or less -18 C.
Some will survive these extremes, forming a sort of spore shell for protection, so you still want to hold the food out of the trouble zone as much as possible.
Proper sanitation is also crucial -- unprocessed poultry can contain salmonella microbes, so other sterilize adjectives surfaces and utensils that come into contact next to underdone poultry. The same go for meat such as untouched beef, especially ground hamburger, which can contain E. Coli. Bleach and hose is a worthy sanitizer (but don't permit the bleach contact the food itself or you can contaminate the food near chemicals).
Use fresh verbs knife when adjectives up vegetables and other foods to avoid cross-contamination.
Also, be sure to other wipe up your hand frequently to give support to dwindle contamination. Use soap and heat hose, for a minimum of one minute. If possible, use a verbs newspaper towel to dry rotten instead of a cloth towel, which can yachting marina germs disappeared over from other things that own be dried.