8. Well-aerated soils have the smell of good soil. 9. Loam soil contains 10 to 20 percent , 40 percent and 40 percent .

2b2t

explanation:

2b2t

1 is the answer to this problem

more infor would

a lot

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.