Why is it important for scientists to review and repeat the work of other scientists? 1.a scientific theory must be tested three times before it is proven. 2.the scientific method only applies to repeated experiments. 3.an experiment may have had errors that the scientists didn't recognize. 4.the results of individual scientists may be influenced by bias. 5.an experiment must be performed twice before the data can be analyzed.


colorless gas, exhibiting a blue glow when placed in an electric field

b) solid

its a type of rock

the answer is 75.0%.

Okay this will take 1 hour okay dont forget me.
They carry out the exchange of gases as we breathe ( oxygen and carbon dioxide).

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