Yahweh uses two questions to emphasize to Job that he rules the rain clouds and lightning and Job does not. (See: [[rc://en/ta/man/jit/figs-rquestion]])
The abstract noun "abundance" can be translated as the adjective "abundant." Alternate translation: "an abundant amount of rainwater" or "a flood of waters" (See: [[rc://en/ta/man/jit/figs-abstractnouns]])