1.
Which of these is an element commonly found in solid form within Earth's crust?
A
copper
B
bronze
C
steel
D
nitrogen
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Which of these is an element commonly found in solid form within Earth's crust?
copper
bronze
steel
nitrogen
Which of the following statements is NOT true about continental crust?
it can be found beneath the ocean
it is upto 100km thick
it forms the continents
it is thicker and less dense than oceanic trust
Which layer is made up of mostly oxygen and silicon?
aesthenosphere
mantle
lithsophere
crust
Which layer is made up of liquid iron?
inner core
outer core
mantle
crust
What is the heat source for convection currents?
mantle
crust
inner core
asethenosphere
What does molten mean?
liquid
solid
hot
gas
What are the two main types of crust?
solid and liquid
thik and thin
continental and oceanic
lithosphere and aesthenosphere
Point where two plates meet each other is classified as
plate tectonics
plate boundary
plate convection
plate contraction
Plate's move towards each other in
compression boundary
conservative boundary
tensional boundary
divergent boundary
Inner and outer core of the Earth Structure is enrich in
copper and gold
gold and platinum
nickel and gold
copper and nickel
First layer of Earth on which we live is
Outer Core
Inner Core
Crust
Mantle
Complete this sentence: As you go deeper inside the Earth
it gets hotter, materials get denser and pressure increases
its gets cooler, drier, and easier to travel
the temperature stays the same, but the pressure increases
the temperature increases but the presure decreases
Alps mountains and Himalayas are classic examples of process of
plate owning
plate tectonics
plate convection
folding
All of the following elements are commonly found in Earth's crust EXCEPT
silicon
iron
calcium
oxygen
About 80 % of Earth's volume is found in this layer
outer core
inner core
mantle
crust