Bed frame is metal so it is able to be sturdy and hold up
cleaning agents are mettaliods some contain boron to control strength of bleach , and removing stains
plotting soil is non metal it is rich with nitrogen which is good for plants
Ans :C
same proton(atomic no.) and electron, diff neutrons
mass no= electrons + neutrons
<em> Infrared Waves</em> is the answer
Let me know if this helps..
