Is a girl doing any work while she stands still and holds a box? why or why not?

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

Rays from the sun are not considered matter true or false

In a chemical reaction, the final amount of the products is determined by the a. universal gas law b. law of definite proportions c. air pressure d. temperature e. none of the above me