Anyone wanna write an essay for me:)

What material does not melt at any temperature

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.

When did stem cell research become known ? who discovered stem cell? what experiments or studies have been conducted so far?