DNA evidence can be used for what? Creating a representation of a suspect Identifying a species of pollen Matching microbiomes All of the above

it's filtration, but this is an assumption so my apologies if i got this

ca has a crystalline lattice with positive ions (since it is a metal, metals are positively charged) and electrons flow freely in its structure since the ca atoms have a large nuclear radius so the electrons are not tightly held, therefore the electrons can flow freely since they are not being highly attracted by the nucleus. moreover, one of the properties of metals are that they are conductors of electricity, thus proving ca is the element.

how important do you think an instrument is to the musician who plays it?