Explaining how convection current maintains temperature at the core of the earth?

How does surface tention change with temperature?

On reducing the volume of a gas at constant temperature the pressure of the gas increases.Explain on kinetic theory.

How acceleration due to gravity change due to the shape of earth.

Explain how Young's modules of elasticity changes with temperature.

Explain - Silicon is heated with methyl chloride at high temperature in the presence of copper.

how can you define temperature in thermodynamics ?

Explain how much portion of an atom located at corner.

Explain how a square is. a rectangle

How do an eddy current generate?

Explain how the human ear works.