How do we measure the mass of stars?كيف نقيس كتلة النجوم؟ جمال الكون

Autism Autism refers to the child having a complex neurological and behavioral condition that causes weakness in his or her social communication skills and language, and leads to repetitive and severe behavior. Autism leads to a variety of symptoms that vary in intensity. The term autism disorder (ASD), which may affect the child severely, prevents him from living a normal life.  Autistic  children have difficulty communicating with others because they can not understand their thoughts and feelings. They have many difficulties expressing themselves with words or gestures. T or facial expressions. [1] Symptoms of autism in adolescents In some cases, autism does not appear in children when they are young and do not appear to be at risk of developing them later in life. Parents should therefore attach great importance to the symptoms of their children at the stage For example, autistic children exhibit strange reactions to stimuli such as lights, sounds, smells, touch, and ...