One cell phone contains many metals, including about 25 g of aluminum, about 15 g of copper, about 0.03 g of gold,
and about 0.3 g of silver.
Based on this information, which resource is most likely used to make cell
phones?
A. A large river and its streams
B. An old-growth forest of tall trees
C. A farm with sheep and cattle
D. An underground deposit of minerals

The correct answer is D. An underground deposit of minerals.

Explanation

Metals are minerals, that is, they are natural substances that are normally in a solid-state. These resources are generally the product of physical-chemical processes that occur in the underground layers of the earth that transform different materials into these minerals. These minerals are obtained through mining, a process in which the earth's crust is broken until it reaches the place where these minerals are housed and in this way takes them to the surface to use them in the manufacture of different objects. Therefore, the correct answer is D. An underground deposit of minerals.

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