Overview. Attention deficit hyperactivity disorder (ADHD) is one of the most common childhood disorders. ADHD is a broad term, and the condition can vary from person to person. There are an estimated 6.4 million diagnosed children in the United States, according to the Centers for Disease Control and Prevention. The condition is also known as attention deficit disorder (ADD), though this is considered an outdated term. The American Psychiatric Association released the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) in May 2013. The DSM-5 changed the criteria necessary to diagnose someone with ADHD.
How many punctures did the iceburg make in the Titanic? The titanic made one big puncture, then the ship sank under the water. The titanic had twenty lifeboats, and if all of them were full half of the people on the titanic could h â¦ ave been rescued.;)
1: Icebergs turn blue because of pressure that compacts the ice and dislodges the air trapped inside. Wrong, in fact the hollow areas with the most air (crevices and holes) are the bluest. 2. Old Icebergs are blue, young ones are not. Wrong. Often times ancient Icebergs are white and very young ones are deep blue. 3. Icebergs are blue because of refraction. Wrong. For those of you who do not remember what refraction is, think of what happens when you submerge part of a straight object like a pencil in water. The object appears to bend at the surface. There is some refraction in glaciers, but its effect is negligible.