Answer:
You use the control group against an experimental group to see if there is a change when you add a variable. Th control group is the group without the variable you are testing.
I believe the answer your looking for to find is a
A graduated cylinder measures the volume of an object.
Helping break down food you ingest and fighting off disease
<span>Combustion reaction is a chemical reaction where compounds and oxidants produce heat and new product during their reaction. The reaction between a HC (hydrocarbon) and O (oxygen) to produce CO2 (carbon dioxide) and H2O (water) is a standard form of a combustion reaction. Therefore,the correct answer would be A.
It is the combustion of gas (Methane, CH4) when it encounters oxygen (2O2). Methane will burn forming C02 gas and H20 gas.</span>
