The law of conservation of mass states a) matter can be created and destroyed but does not change forms

b) the mass of all substances present before a chemical change equals the mass of all the substances remaining after the change

c) in a chemical reaction, efforts should be made to preserve rare elements without changing them.

d) in a chemical reaction, the final mass of the products is always greater than the starting mass of the reactants.

Select the correct answer from each drop-down menu. daniel and sanya are scientists. daniel is studying whether the increasing frequency of tropical storms is affecting coastal erosion. sanya is investigating whether the discharge from industrial plants has any impact on the ph concentration of freshwater swamps in the surrounding area. which fields of science are daniel’s and sanya’s studies most closely related to? daniel’s field of study is related to science, and sanya’s field of study is related to .

If a plot weight (in g) vs. volume (in ml) for a metal gave the equation y= 13.41x and r^2=0.9981 what is the density of the metal?

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size