This is not known in science, and it would be highly impractical, if not impossible, to put a number on something like that. However, both genetics and environment have a major impact on development
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He has 2 kids, Malia and Sasha .
Robin has 4 Childs.
i think he might have 2 childs of 14ages.
There is 26 teeth in a 11 year old mouth.
There are so many factors affecting human development. Some of them include nutrition, hormones, environment and so much more.
Yes they are planning on getting married and having many childs
Some human environment interaction in Iraq include burning fossil fuel, urban development, industrial processes, cultivation and so many more. Most of these activities have adverse effects on the environment.
Many small houses have at least one 8 x 10 childs bedroom.
There are many factors that affect the communication skills, abilities and development of individuals. Some of them include environment, exposure, society and so much more.
Business activities have impacted the environment in so many ways. Development of structures leads to logging and eventually desertification and burning fossil fuels commonly happens as part of business activities which pollutes the environment.
The exact same percent as children that have been vaccinated. There is absolutely no link what-so-ever between vaccinations and Autism, a child is born Autistic and vaccinations cannot time-travel to change the childs development in the womb or change it's parents genes.