PLEASE HELP!! Which object listed best represents the following energy transformation: electrical -> thermal? a. flashlight
b. electric saw
c. toaster
d. gas powered scooter
e. the sun
f. wind turbine
g. iPod
h. Stereo Speaker Vibrating

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

Ineed ! i have no clue how to do this problem.