A huge portion of its land area is covered with rough, dry terrain that varies from huge tracts of sand dunes to great salt flats.
Answer:
b. It occurs in many non-silicate minerals
Explanation:
Silicate minerals -
The rocks made up of silicate groups are called the silicate minerals . Around 90% of the Earth's crust have silicate minerals .
The structure of silicate minerals , is the small tetrahedral silica are joined via oxygen atom to make - up the rock .
The atoms of the silicate minerals are strongly bonded together .
Structure of silicate is , as four atoms of oxygen connected to a silicon atom , present at the center .
Hence , the incorrect statement is - b. It occurs in many non-silicate minerals .
It would be Approximately 24.5
C: the introduction of the sweet potato to the pacific world