Answer:
b) Caucasus
Explanation:
<u>Caucasus mountains are occupying the place between Europe and Asia, going from the Black Sea and the Caspian sea.</u> As Afghanistan is in central Asia, <u>we can conclude that the Caucasus is on the west of the country - all the mentioned elements (Europe, Caspian, and Black sea) are located on the west side of Afghanistan. </u>
Ural mountains are in Russia, on the north side of Afghanistan.
Kunlun mountains are located in central China, which means it is located on the east compared to the position of Afghanistan.
Altai mountains are located in Mongolia, which is north-east of Afghanistan.
Answer:
Terrigenous
Explanation:
The sediments must have been land derieved.
Garnet and zircon are found associated with igneous and metamorphic rocks.
Weathering of these rocks release the minerals into sediments and are hereby transported into ocean basins. They can lithify in the sediments as they get carried along with them.
Terrigenous sediments originates from the land. They are made of rock materials and volcanic deposits. Some of them like volcanic dusts can travel into deeper parts of the oceans as they are lighter and can be carried very far into the ocean.
I think D, because it talks about prompting more people to migrate.