B. Carbon
C. Oxygen
D. Fossil
Answer:
Oxygen
Explanation:
because of the picture i sent
becab
Oxygen is the element that makes up 50% of the Earth's crust. It is the major component followed by other elements such as silicon and aluminum, usually found in mineral form.
The primary element that makes up 50% of the Earth's crust is C. Oxygen. This aligns with the known composition of the Earth's crust, which is greatly dominated by oxygen, followed by silicon, aluminum, iron, calcium, sodium, potassium, and other minor elements. These elements are generally found in the form of minerals such as feldspar and quartz.
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Answer: Lake Titicaca
Explanation:
c. América Central
b. South America
d. North America