Which statement about polymers is true? A. Polymers are substances that have relatively large molecules. B. Oil and gas are the
starting materials for making all polymers. C. Fabrics such as cotton and silk are synthetic polymers. D. All polymers are obtained from living organisms.
<u>Toxic</u><u> </u><u>chemical</u><u> </u>as any substance which may be harmful to the environment or hazardous to your health if inhaled, ingested, or absorbed through the skin.
Just imagine doing this experiment MULTIPLE TIMES and one of the trials you get 72 Kcal while in another u get 12kcal. It doesn't make sense. Somewhere in the experiment she went wrong. So its invalid
