Answer:
A crystal face tends to be dull and rugged where a cleavage plane (most commonly seen in mica) is smooth and shiny, only being dull towards the edges it splits.
The country that is an isthmus and links central and Souh America is Panama
The Zagros are a mountain range in Iran. Basically on the windward side of the range it'll be really wet and on the lee ward side it'll be dry probably even a desert. The warm moist air is forced up the mountain where the cooler temperatures at the top cause condensation so it rains. Dry on the other side. The main range in Turkey are called the Taurus mountains.