Charles is given two electrical conductors – aluminium and graphite. Help him to select one for making an electric wire. Justify your reason.

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

Why is permeable soil best for plants that need a lot of drainage?

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space