Ahard substance with a high melting point and poor conductor of electricity in the solid phase could be a) co2 b) mg c) nacl d) ccl4

How does blood clotting prevent the entry of pathogens through cuts and wounds? answer asap,, this is due tomorrow. will mark as brainliest or whatever you call it : )

Which three statements represent the benefits of performing experiments using computer simulations?

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device