I'm pretty sure all 4 are subatomic particles but if i had to guess i'd be Photons
Answer:
an earthquake
Explanation:
the tectonic plates rub together sending shockwaves
The final temperature of the lead-water system will be lower than the final temperature of the copper-water system.
Answer : At room temperature, none of the metals are gases.
Explanation :
The properties of metals are :
Generally all the metals are solid at room temperature but with exception, the mercury is liquid at room temperature.
Generally all the metals are hard but with the exception, sodium and potassium are soft and easily cut with the knife.
The metals are malleable, ductile, lustrous in nature.
Metals are good conductor or heat and electricity.
Hence, At room temperature, none of the metals are gases.