Answer: change the tires
Explanation: you can’t drive on a flat tire
Answer:
organized
questions
Explanation:
The scientific method is the method that involves a process of finding answers to the questions. The questions are related to the process and functioning of the world. These questions are answered with the help of the researches and experiments. The results from these researches are considered the universal and thus help in further studies and researches. The first step in any scientific research is to identify the question and then proceed to find a solution to it.
Answer:
See explanation
Explanation:
Let the dye and gel be denoted by species A and B respectively.
Express the dimensionless concentration change with respect to the initial concentration of species A, when diffusion coefficient is constant.
…… (1)
Here, surface concentration of species A is , initial concentration of species A is , diffusion coefficient of species A in species B is , depth is z, error function is , time is t, and concentration of species A with respect to depth and time is .
Substitute 0 for and re-arrange Equation (1).
Answer:
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