Many years ago, scientists concluded that matter is made up of very small particles known as atoms. Why did they accept the idea of atoms even though they could not see them? A) Scientists accepted the statements of wise men from early times.
B) Scientists had faith that they could someday see atoms.
C) Scientists believed that there was no need to prove that atoms exist, since matter exists.
D) Scientists realized that many observations were explained by the idea of atoms.

It is D

Explanation Scientists knew matter exists, since matter is everywhere. So, when they saw what makes up matter, they discovered atoms.

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igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods