, density is how compact an object is. Put another way, density is the mass of an object divided by its volume.
Answer:

Explanation:
Given that:

R = (0.1) m
To find the electric field for r < R by using Gauss Law

For r < R



where;




By copying their genomes, they retain the tool kit and at the same time generate a garage full of spare parts. Gene duplication can provide the raw material for expression changes to occur, and polyploidy itself can trigger epigenetic changes
Answer:
v=wavelength ×f
wavelength=v/f=455/655=0.694m
It becomes a different element