Answer:
open cluster
Explanation:
As the name suggests, an open cluster is a star cluster that is loose and disorganized.
Answer:
The Skeletal System is the system of structures that hold up your body. They keep you standing and hold a majority of your organs.
Explanation:
Genetic structure, which is inherited by the parents.
A child's eye and hair color are determined by its parents that pass on the genes for red, blonde, brown, black, curly, straight hair, etc, etc.
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It is water pollution, since you are polluting the river.
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Well, It's either OCD or PTSD... Depending on what the person has gone through in the past, it could be PTSD, PTSD would be caused by being traumatized by something, Like if I got robbed, i would check if my doors are locked.
