C, potassium. Hope this helps.
Because they believed that heavenly bodies’ circular motions where caused by their being attached to unseen resolving solid spheres
Answer:
A
Explanation:
Unconfined aquifers are those into which water seeps from the ground surface directly above the aquifer. Confined aquifers are those in which an impermeable dirt/rock layer exists that prevents water from seeping into the aquifer from the ground surface located directly above.