How has everyone been and nice to meet whoever else get's on here.

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )

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.

the pseudoscience are like beliefs, theories, or like practices that are considered scientific