¿Cómo muestra una bolita de búho la transferencia de energía en el medio ambiente?

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.