The best thermal conductor is b. metal
Car B, Car C, And Car E Are either speeding up or slowing down
Answer:
Final temperature of the mixture becomes

Explanation:
Here we know that heat given by the nail is equal to the heat absorbed by water
So here we know that heat to change the temperature is given as

so by equating the heat we have

now we have




It is called the fovea centralis.
An element called Silica.