Which statement best describes balancing equations and the law of conservation of mass? a)There are more atoms in the reactants than in the products, and the total mass is the same in the reactants and in the products.
b)The number of atoms is the same in the reactants and in the products, and the total mass is the same in the reactants and in the products.
c)There are fewer atoms in the reactants than in the products, and the total mass is less in the reactants than in the products.
d)There are more atoms in the reactants than in the products, and the total mass is higher in the reactants than in the products.

Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific investigations.  in what way do laboratory experiments primarily differ from other forms of scientific investigations?   a.  a laboratory experiment is the only accepted form of investigation within the scientific community.  b.  studies about how things behave in nature or studies involving very large objects are best answered through laboratory experiments.  c.  laboratory experiments involve the identification and control of variables.  d.  data can only be generated through laboratory experiments, not other forms of investigation.

Astone is thrown into a pond. what happens to the amplitude of the resulting waves as they get farther from the point where the stone hit the water? explain.

Which of the following statement is false ? a.batteries should never be stored on metal trays or outside in the elements)b, battery acid cannot be neutralized)c.do not stack batteries on top of each other)d.never put a damaged battery in a dumpster. i