Your two adrenal glands are small, triangular-shaped endocrine glands located on the top of each kidney. Each adrenal gland is approximately 3 inches wide, and a half inch high. Each gland is divided into an outer cortex and an inner medulla. The cortex and medulla of the adrenal gland secrete different hormones.
The Causes of Ozone Depletion. Scientific evidence indicates that stratospheric ozone is being destroyed by a group of manufactured chemicals, containing chlorine and/or bromine. These chemicals are called ozone-depleting substances (ODS).
Emissions contributing to ozone formation come from many areas. 1  The main emission sources categories are: 2  On-road - cars, trucks, and buses. 3  Off-road - aircraft, locomotive,etc. 4  Non-road - construction, agricultural equipment, etc. 5  Point - cement and power plants. 6  Area - bakeries, paint shops, dry cleaners, etc.