Which is the amount of matter in an object? a. weight b. mass c. volume d. pounds

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

Pls pls pls pls ! describe, in your own words, how you found the epicenter of the earthquake.

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.