<span> Ice was soon being harvested from contaminated water sources. Microbes in the ice invaded the food and people became ill
</span>so <span>unsanitary ice is your answer i hope this helps</span>
Answer:
*Engineers can design better bridges because they know how metal changes shape.
*Scientists can easily classify mixtures of unknown substances.
Explanation:
Tensile strength and the properties of mixtures are physical properties because the substances are not changed into different ones.
A. and C. are wrong. Combustion and other reactions are chemical properties because the substances are changed into different ones
Answer:
both are solids, both are somewhat pliable
First you have to look at the mole ratios of the reactants and products and that ratio is 2:2:2 or you can reduce that to 1:1:1. That means an amount of peroxide will produce the same amount of oxygen gas. If there are 8 mol of peroxide will give 8 mol of oxygen gas