Answer:
weaker has the heavier of an object
Should be an air tight seal
The energy carried by a single photon of frequency f is given by:

where

is the Planck constant. In our problem, the frequency of the photon is

, and by using these numbers we can find the energy of the photon:
The correct answer is magnetic field, electric field, and charges.
Turn lights off, unplug electronics, and use solar energy