in a chemical reaction, conservation of mass is demonstrated by proving that the mass of the reactants is___ the mass of the products.

equal to

Explanation:

The law of conservation of mass tells us that during a chemical reaction, matter cannot be created or destroyed, but it can change from one form to another. This means that while atoms can rearrange themselves into new substances during a reaction, the mass of the reactants and products will be the same.

1.cause they have wings

2.cause they are insects

3.cause they are

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.