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When discussing drought, one must have an understanding of aridity and the difference between the two. Aridity is defined, in meteorology and climatology, as "the degree to which a climate lacks effective, life-promoting moisture" (Glossary of Meteorology, American Meteorological Society). Drought is "a period of abnormally dry weather sufficiently long enough to cause a serious hydrological imbalance". Aridity is measured by comparing long-term average water supply (precipitation) to long-term average water demand (evapotranspiration). If demand is greater than supply, on average, then the climate is arid. Drought refers to the moisture balance that happens on a month-to-month (or more frequent) basis. If the water supply is less than water demand for a given month, then that month is abnormally dry; if there is a serious hydrological impact, then a drought is occurring that month. Aridity is permanent, while drought is temporary.
Often, waterfalls form as streams flow from soft rock to hard rock. This happens both laterally (as a stream flows across the earth) and vertically (as the stream drops in a waterfall). In both cases, the soft rock erodes, leaving a hard ledge over which the stream falls
Answer: I HOPE IT HELPS
Sumer is the earliest known civilization in the historical region of southern Mesopotamia (now ... Sumerian written history reaches back to the 27th century BC and before, but the ... The center of Sumerian culture remained in southern Mesopotamia, even though rulers ... U.S. invasion · Iraqi insurgency · U.S. troop withdrawal.
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As given below.
Explanation:
Title: Conserving and Recycling
Introduction - Conservation is an act of preserving and managing the resources of the earth for a sustainable future by preserving and allowing for the regeneration of potential.
- Organization's purpose and goals: To aim to recycle and reutilize resources.
- To aim to manage and reduce wastes. To aim to reorganize and monitor anthropogenic activities.
Types of events: City waste management.
Type of education: mitigation
Conservation policies: Use of three Rs and CSR.
