Q70
The heavier silicates named as 'Sima' or silica + magnesium are most abundant in the
A.
crust
B.
core
C.
mantle
D.
ocean floors
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
The heavier silicates named 'Sima' or silica + magnesium are most aboundant in the ocean floor.