Zinc can not be changed into a simpler substance by a chemical or physical process. Therefore, zinc is classified as: a gas.
a molecule
an element.
a compound.

Abird sitting high in a tree is an example of what type of wnergy

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer