Ihave 2 parts for this, ‘this is the second part! ,

Why is alchemy not considered to be a science ?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter