Granite and basalt...... + a bunch of bugs n' stuff
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alkaline earth metalsANSWERThe rare earth elements are scandium, yttrium and the 15 elements in the lanthanide group.
The two most abundant elements in the Earth's crust are oxygen and silicon. When you combine them, you get silicon dioxide; which depending on the exact form it takes is glass or quartz or sand.They tend to combine further with other elements to produce silicate rocks.The two most abundant elements in Earth as a whole are iron and oxygen. When you combine them, you get iron oxide (rust, hematite, magnetite). The reason iron isn't more common in the crust than it is is that it's heavy and has been concentrated in the Earth's core.
Continental Drift happened, when the tectonic plates in the earth shifted, and pushed the lithosphere up, causing our continents to split.
Mostly iron, oxygen, silicon, magnesium, sulfur, nickel, and calcium.
Carbon
Carbon
The eight most common elements in the earths continental crust are; 1. Oxygen. 2. Silicon. 3. Aluminium. 4. Iron. 5. Calsium. 6. Sodium. 7. Potassium. 8. Magnesium.
Helium is not one of the eight common elements in Earth's continental crust. The eight common elements are oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium.
Helium is not one of the 8 most common elements in Earth's continental crust. The 8 most common elements are oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium. Helium is a noble gas and is not as abundant in Earth's crust compared to these elements.
Helium is NOT one of the eight most common elements in Earth's continental crust. The eight most common elements are oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium. Helium is a noble gas and is not as abundant in the Earth's crust.
Oxygen Silicon Sodium Potassium Magnesium Iron
17 only
The average composition of Earth's continental crust is mostly composed of oxygen, silicon, aluminum, and iron, in the form of minerals like feldspar, quartz, and mica. Other common elements found in smaller amounts include calcium, sodium, and potassium.
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there are 8 plates
earths crust , oceans and atmosphere