An experiment that is conducted within a controlled environment is known as a controlled experiment, similar to a controlled variable.
Foodborne illness is caused by pathogenic microorganisms present in spoiled food. Apart from thorough cooking, cooked food needs to be always separated from the raw food. This keeps microorganisms present in the uncooked raw food away from the food that is ready to be eaten. In addition, our hands and areas coming in contact with the food need to be clean and sanitized. Also, food should be kept in the right and safe temperature. Finally, clean water and safe raw materials should be used for preparing meals.
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Answer:
sufficient root system that can support the plant's growth
It is carbon dioxide. Photosynthesis use carbon dioxide to produce oxygen.
