In 2011, the United Nations declared a famine in the southern Somalia regions of Bakool and Lower Shabelle, and Al-Shabaab reversed an earlier pledge to allow aid agencies to provide food in famine-stricken areas.
Ecosystem definition, a system, or a group of interconnected elements, formed by the interaction of a community of organisms with their environment. See more. Dictionary.com
A disorder characterized by a brief attack (less than 24 hours) of cerebral dysfunction of vascular origin, with no persistent neurological deficit. A transient ischemic attack (tia) is a stroke that comes and goes quickly. It happens when the blood supply to part of the brain stops briefly.