If the bill is counterfeit and the paper is wood-based, the iodine in the pen solution will react with the starch and leave a dark brown or black mark.
Bacteria !!!!!!!!!!!!!!!!!!!!!
Answer:more decrease in fish
Explanation:because that penguins source of food most of the time
Answer:
Metabolism is the chemical reactions that take place inside a living organism. The reaction occurs in the cells. Digestion can be the best association to metabolism. The metabolic system recognizes which substances can be nutritious or poisonous. In order to complete this process, water is needed. The chemicals are dissolved in water and transported. Without water, no reaction can take place.
Metabolism is considered as the set of life-sustaining chemical reactions within the living organism’s body cells.
A confounding variable refers to an external effect, which modifies the influence of an independent and dependent variable. This extraneous effect is used to affect the outcome of an experimental design. The confounding variables can ruin the experiment and can generate unnecessary outcomes.
In the given case, confounding variables can be introduced by testing multiple hypotheses at a time and by using distinct kinds of soil in each of the samples.
