The natural distribution area of Common hackberry is located in eastern North America. The tree is susceptible to fire damage. The fruits are eaten by birds and other animals.
Memory development. The development of memory in children becomes evident within the first 3 years of a child's life as they show considerable advances in declarative memory. This enhancement continues into adolescence with major developments in short term memory, working memory, long term memory and autobiographical memory.
Reading skill development starts by learning the letters of the alphabet. This can start sometime between 6 and 12 months. Treat the letters as you would a picture and start naming the pictures. By the time they are between 6 to 12 months old, you could start the letter of the week or letter of the month.