The difference between a dry climate and a tropical climate is that the dry climate as you know is dry and the tropical climate is moist and wet, the compare is tropical wet climates receive much more rain than tropical dry climates do. However, the term “tropical wet and dry climate” actually refers to a single type of climate. Tropical dry climates occur in deserts, while tropical wet climates usually occur along the rainforest belt.
Yes you can, for which one both?
From rocks being added together over time
If tectonic plates collide it forms convergent plate boundaries. if tectonic plates separate they form divergent plate boundaries