Answer: Yes, what you put is correct...
Explanation: Icelandic houses are built out of wood with grass growing over them, whereas Vietnamese homes are typically built minimally using reeds, etc. The main difference is that where the grass insulates from the cold (I’ve been in one and they really work!) the houses in Vietnam are built to keep all occupants as cool as possible.
Answer:
the black-coloured sand found in Fujairah may be specific to dark-coloured mountain regions in the emirate and the white-coloured sand is found close to the RAK mountains because of the presence of sandstone. there are my colours of sand present in all over the emirates of UAE. this maybe one of the reasons for which some mountains compared to others may differ in colour.