IM Bored Who wants to talk while your at it ra. te me and my sis 1-10(shes mad at me so thats why im doing it)

An unknown substance has a melting point of 1064 ∘c, is insoluble in water, conducts electricity as a solid, and is hard. given these properties, which of the following are possible identities for the unknown substance? check all that apply. view available hint(s) check all that apply. sio2 f2 au kbr

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

The power exerted by a muscle is the product of the force exerted and the velocity of contraction. the area of which of these shaded regions represents the power exerted while a weight is lifted at maximum speed?