PLEASE ANSWER THIS QUESTION IT WOULD MEAN SO MUCH AND ILL TRY ANS GIVE BRAINLIEST IF IT WILL LET ME BUT HERES 15 POINTS BUT PLEASE ANSWER

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

Predict the products butane (c4h10) + oxygen —>

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6