Mantle layer of earth is composed of…………
a) Iron
b) Silicone
c) Magnesium
d) all of these
Temperature of the upper portion of the Mantle is
a) 550°C
b) 870°C
c) 700°C
d) 300°C
Temperature of the inner portion of the Mantle is
a) 550°C
b) 870°C
c) 4,000°C
d) 3,600°C
Core:
Which of the
following is resembles the yolk of an egg?
a) Core
b) Crust
c) Mantle
d) none of these
Core is divides in how many parts?
a) 2
b) 3
c) 4
d) 5
Thickness of inner core of earth is
about……...
a) 1250km
b) 1650km
c) 1050km
d) 1400km
