Answer:
Density of iron is higher than the density of oxygen because iron is solid and the particles in it are very compact but oxygen is not dense as it is gas and particles in it are loosely packed.
Answer is c that is he particles move perpendicular to the direction of the wave.
Just add all of them up and there is your answer I just added it but I want u to work it out to..
Answer:
40000÷40=1000 joules is required to work in 40 seconds
Answer:
true
Explanation:
as long as it is the right conductive material