Having closed toed shoes on. Wear your safety googles and gloves at all times. Follow the directions directly as they are on the board. Have your hair pulled back at all times. Do not wear droopy clothes into the lab.
A scientific experiment refers to a detailed and organized array of steps that are needed to reject or validate the framed hypothesis. The steps, which are incorporated in a scientific experiment are:
1. Identification of independent variable: The independent variable is the one that can be manipulated or changed in an experiment, that is, the effect of which can be witnessed on a dependent variable.
2. Address any confounding variable: It is the one that comes from the outside, the changes resulting due to this variable impart an effect over the independent and dependent variables. This variable can bring change in the outcome of the experiment.
3. Form a non-falsifiable hypothesis: A non-falsifiable hypothesis refers to the one that can be proved true on the basis of the implementation of suitable methodology and research design.
The father has to be homozygous for brown eyes(BB) if his children all have brown eyes. Since, the brown eye gene is dominant over blue eyes. All his children will be heterozygous for Brown eyes (Bb).
A solution is a mixture where the individual components cannot be made out.
Sugar dissolves in water, which results in a mixture of sugar and water. When the sugar dissolves, it is invisible to the human eye, but still exists at a molecular level. This makes the mixture a solution, as you cannot separate the sugar from the water visibly. The answer will be D) A mixture of sugar and water.
