Answer: c. Oxygen, silicon, and aluminium
Explanation:
The common elements in the Earth's crust in order of decreasing abundance are as follows:
Oxygen: Oxygen is the most abundant element on earth's crust. It makes up 46.6%. It exists as compound of the silicate minerals. It is used for industrial, commercial and medical purposes.
Silicon: Silicon is the second most common and abundant element on the earth crust. It makes up the concentration of 27.7%. It combines with the minerals of silica to form the silicate minerals. It is used for the purpose of ceramics, cosmetics, glass and other products.
Aluminium: Aluminium is the third most common and abundant element on the earth crust. It makes up the concentration of 8.1%. The aluminum exists in the form of aluminium oxide, potassium aluminium sulfate and aluminium hydroxide. It is used for the purpose of manufacture of rockets, machinery and automobiles.
Fossil evidence puts the existence of the Homo mauritanicus species at approximately 1.2 to 0.6 million years ago.
Answer & Explanation:
People depend on the environment for fishing. Many Greenlanders fish in the icy cold water. ... They adapt to the environment by wearing clothes that suit the temperatures and the seasons. Because Greenland has an arctic climate, people need to wear lots of layers in the winter as well as big coats or boots.
Answer:
Answer:
Explanation:
Usually when the winds are from the south, and you have isotherms (temperature lines) perpendicular to the isobars (pressure lines) you have warm air advection (warm air moving up from the south).
You don’t have enough information listed in your question to give an answer. For example, what does DE and BC represent? What is your parameters?
