Which of the following statements is true about passive solar energy? With passive solar energy, a distribution mechanism is needed.

No mechanical equipment is necessary.

Passive solar energy can be stored.

Shading is necessary during wintertime to prevent overheating inside houses.

the oceanic zone is typically defined as the area of the ocean lying beyond the continental shelf, but operationally is often referred to as beginning where the water depths drop to below 100 meters (328 feet), seaward from the coast to the open ocean.

explanation:

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.