A student combines methane gas and oxygen gas in a reaction vessel, but does not measure the amounts of the gases. The two gases react according to the equation shown below. After the reaction is completed, how can the student determine the limiting reagent?

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding. i