Question

a cycles reservoir is where large quantities of the substance in the cycle is stored. the atmosphere is one reservoir for the water cycle. where is another reservoir?
the ocean
the desert

Explanation:

The water cycle's reservoirs hold large amounts of water. Oceans contain over 96% of Earth's total water, making them a major water cycle reservoir. Deserts have very little stored water and are not a primary reservoir.

Answer:

The ocean