It is the largest hot desert in the world, as well as the second l â¦ argest desert on earth after Antarctica. The Sahara covers all or part of Algeria, Chad, Egypt, Libya, Mali, Mauritania, Morocco, Niger, Sudan, Tunisia and Western Sahara.The word Sahara means desert in the Arabic language.he deserts, tropical forest, and tundra are considered to be  fragile ecosystems because of the long regeneration time when  vegetation has been destroyed. They are also fr â¦ agile because of the  low participation.
Shire US Manufacturing Inc.: ADDERALL XR, a CNS stimulant, is indicated for the treatment of attention deficit hyperactivity disorder (ADHD). (1) Children... Drug Inserts. com
Most people have to take three doses each day to cover all of the time in which they experience ADHD impairments. Adderall XR (extended release) capsules last from seven to 12 hours, depending on a personâs individual chemistry. Most patients require two doses a day to cover their waking day.