I lokey have no idea so look it up on google
About 95% of the time down syndrome is caused by “trisomy 21.”the person has three copies of chromosome 21, instead of the usual two copies, in all cells. This is caused by abnormal cell division during the development of the sperm cell or the egg cell.
Option D, Ammonia.
A compound means that there are multiple atoms bonded together. Chlorine, Nitrogen and Uranium are all individual atoms, and therefore can't be labeled as compounds.
Good luck!
-T.B.
When entering the stomach, the food is broken down and the nutrients are absorbed by the body to provide energy and nourishment. The rest of what's left gets discarded out of your body.
