Oxygen, water, some type of resources to build, and food to eat
That students who study make better grades than those who do not.
The food company’s questions are best answered by a combination of survey and scientific tools. To answer questions such as ‘which cereal's box is the best color?’ and ‘which cereal tastes the best to every eater?’ as well as ‘which cereal would sell the most boxes?’, the food company would need to conduct a survey to a group of people which resembles their target group most. The result would help them in answering those questions.
However, to answer ‘Which cereal contains the most sugar?’, the food company would need to use scientific tools to measure to sugar content in the cereal. This is the answer.
Answer:
Keratin serves important structural and protective functions, particularly in the epithelium. Some keratins have also been found to regulate key cellular activities, such as cell growth and protein synthesis
