mantle.
We use about 38 percent of Earth's land surface for agriculture.
Glaciers cover nearly 10% of Earth's land surface.
685,767,231 mi3
The Moon is 1/4 of Earth's diameter, 1/50 of Earth's volume, and 1/80 of Earth's mass.
.1%
Oxygen composes of twenty-one percent of Earth's Atmosphere.
False. The earth has a radius of 6,371 km. As such it has a volume of:1.083x1012 km3 The Earth's core has a radius of 3400 km. As such it has a volume of 0.164x1012 km3 1.083x1012 / 0.164x1012 = approx. 6.6 Therefore the Earth's core composes approximately 1/6th the total volume of Earth.
85%.
The percent (by volume) of the earth crust is made up of magnesium is 0.33 percent on Page 1 of the ESRT Packet
Earth contains a lithosphere that contains the crust and the mantle. There are two types of lithospheres on earth which are the oceanic and the continental.
80 %
0.934% of the earth's atmosphere is argon.
mantle
The core!
This passage comes from wikipedia. The mantle is ... about 2,970 km thick (~1,800 mi) rocky shell that constitutes about 84 percent of Earth's volume. It is predominantly solid and takes over Earth's iron-rich hot core, which occupies about 15 percent of Earth's volume
The crust comprises less than 1% of the Earth's total volume.
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