The composite zone inhabited by most living creature is called
Atmosphere
Lithosphere
Hydrosphere
Biosphere
Choose the correct statement
The density and temperature increases with depth of Earth where as pressure decreases with depth.
The density, temperature, and pressure do not vary with the depth of Earth.
The density temperature and pressure increases with the depth of Earth
The temperature and pressure increases with the depth of Earth and density decreases with the depth
The average thickness of the Earth's outermost layer, the Earth's crust, is about
17 km
18 km
27 km
07 km
According to plate tectonic theory, soild lithosphere consists of about
16 to 20 great slabs of rock
15 to 19 great slabs of rock
10 to 20 great slabs of rock
6 to 10 great slabs of rock
The average thickness of Earth's mantle is about
2840 km
2880 km
2440 km
2480 km
Based on the type of plate movement there are
6 types of plate boundaries
3 types of plate boundaries
2 types of plate boundaries
5 types of plate boundaries
SIAL is in solid state, SIMA is in liquid state.
SIMA is less denser than SIAL
SIMA "floats" on SIAL
The lighter SIAL is considered as "floating" on denser SIMA layer.
The average density of SIMA layer is about
5.3 gm/cm3
35 gm/cm3
3.0 gm/cm3
3 mgm/cm3
250 million years ago super continent Pangaea was surrounded by a single large sea called
Pacific ocean
Atlantic ocean
Panthalassa
Mid-Atlantic Ridge
The boundary between crust and Mantle of the Earth is called
Gutenberg Discontinuity
Mid Atlantic Ridge
Mohorovicic Discontinuity
SIAL
