Smoking or drug addiction for an expecting mother is more dangerous because not only are the chemicals affecting her but they are affecting her baby as well if addiction continues through to the birth of the child the baby can experience withdrawal symptoms and can be underdeveloped
Answer: a. Development is similar for everyone
An individual diagnosed with attention deficit/hyperactivity disorder will typically present with patterns of inattention or hyperactivity and impulsivity.
Attention deficit/hyperactivity disorder or ADHD is a condition where a person has difficulty in maintaining consistent attention and focus while doing a task or daily chores. Some other symptoms may also include hyperactivity and impulsivity which makes a person more impulsive about their behavior, talks without thinking, talks a lot, interrupt in conversations etc.
The condition can be diagnosed while the child is 3-7 years old marked by their impulsive and hyperactive nature which may lessen with age, but inattention persist throughout life. Therapy sessions for such people can aid to a better life with fewer problems.
To know more about ADHD refer to the link below
brainly.com/question/10002219
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Brain stem :) It controls all the things like breathing, heartbeat, body temp, blood pressure and alertness ^_^