Thickness of inner core of earth is
about……...
a) 1250km
b)1650km
c) 1050km
d) 1400km
The temperature at the inner core is about…….
a) 2,550°C
b) 4,300°C
c) 3,700°C
d) 3,300°C
The inner core of the Earth is made up of……..
a) copper
b) iron
c) nickel-iron alloy
d) platinum
Thickness of outer core of earth is about……
a) 1520km
b)1600km
c) 2250km
d) 1400km
The outer core of the Earth is made up of……
a) nickel-iron alloy
b) platinum
c) copper
d) iron
The temperature at the outer core is about…….
a) 2,550°C
b) 4,300°C
c) 3,700°C
d) 3,300°C
