The answer is C .
Polytheistic religions teach the worship of many gods .
Answer: lake titicaca is located between Peru and Bolivia
Explanation: Lake titicaca is situated between Peru and Bolivia in the Andes Mountains, it is arguably the largest navigable lake in South America and the world. Lake titicaca is well known for been still and has a brightly reflective deep blue color
Concrete is not a crystal.
Non-price rationing system is commonly done by queuing (to resolve rationing problems brought by price ceilings) and by coupons (to restore buyer equilibrium). Favored customers who received special treatment from dealers when there is an excess demand, which means: owners giving goods and services to their friends, is another non-price rationing mechanism.