Which of the following geological features can form at a subduction zone?
o a. mid-ocean ridges
o b. magnetic anomalies
o c. mantle convection
od. volcanism and mountain ranges

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

Air can be considered a mixture. which statement does not explain why?

Is a chemical message sent by another individual.