2000 BC and was found in tubes in Egyptian tombs dated from 1500BC
hope this helps
Answer:
B
Explanation:
well heterogenous mixtures are not uniformly distributed these meaning whatever components are "mixed" can be seperated easily
a example of this can be
Soil, oil in water, ice in water
while Homogeneous mixture cannot be seen seperated
They start with the numbers u need to know in order to slove the problem and there has to be a story behind it
I believe it would be the first option. It forms iron oxide (rust) when exposed to moisture and air.
<span>2H2 + O2 → 2H2O</span>
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<span>okay???</span>
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