To determine the reason for the fish death, do the following:
1. Test the water for the presence of organic substances that may be poisonous to the fish.
2. Test the dissolved oxygen concentration of the lake at different locations and at different depths.
3. Perform full toxicological examination of the lake to determine if any pollutant or poisonous chemical is present in the lake.<span />
Chemical reactions involve the reactants' undergoing a chemical change to become products.
Because fossil fuel as are not renewable wich once they are gone there is on more so we need alternatives because we won’t have them anymore which will make a massive impact on our life
A type of Cell division that results in four daughter cells each with half the number of chromosomes of the parents cells as in production of gametes and plant spores.
Answer:
Dependent variable: number of apples
Explanation:
In an experiment, the independent variable is the variable that isn't modified by the other variables measured in the experiment. In the example above indicated, the independent variable is the fertilizer used in the experiment. On the other hand, the dependent variable is the variable tested or measured in the experiment, thereby this variable is 'dependent' of the independent variable.