Question : Which is the most abundant mineral in the Earth's continental crust?
Option 1: Pyroxenes
Option 2: Quartz
Option 3: Feldspar
Option 4: Mica
Correct Answer: Feldspar
Solution : The correct answer is Feldspar
The most prevalent mineral in the continental crust of Earth is Feldspar. It belongs to the silicate mineral class. It is more widely distributed than quartz on Earth. Over 90% of the crust is composed of silicate minerals. Alkali feldspar (12%) is the second most abundant type of feldspar, with 39% being the most common. It is present on igneous, sedimentary and metamorphic rocks all around the planet.
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Question : Which mineral is also known as "fool's gold"?
Option 1: Fluorite
Option 2: Pyrite
Option 3: Magnetite
Option 4: Quartz
Question : ____________ is the thinnest layer of Earth.
Option 1: Mantle
Option 2: Outer core
Option 3: Crust
Option 4: Inner core
Question : The Earth's perihelion occurs in:
Option 1: July
Option 2: October
Option 3: January
Option 4: September
Question : Which of the following helps keep the Earth's atmosphere in place?
Option 1: The gravitational force of the moon
Option 2: Rotation of the Earth on its axis
Option 3: The gravitational force of the Earth
Option 4: The gravitational force of the Sun
Question : The most abundant element is
Option 1: Calcium
Option 2: Silicon
Option 3: Oxygen
Option 4: Nitrogen
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