Juanita used her affinity for numbers in STEM class to help her design a computer program that relied on math formulas. Other students who disliked math seemed to struggle with the task. What is the meaning of "affinity” in this context?

an enjoyment of
a likeness or similarity
a close resemblance to
an understanding of

an enjoyment of likeness or similarity

Explanation:

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.