Valence electrons are the electron on the outer energy level and they are important because they tell if that element is compatable
Answer:
roots spread out underground like the branches of a tree as to get sufficient water and nutrients form the soil to transport to the other parts of the tree for its own growth , by spreading out roots tend to collect or suck the maximum nutrients
I believe the term for two similar chromosomes would be homologous chromosomes.
Vertebrae are the scientific term for the backbones.
All backbones are backbones... right? :'D
However, the vertebrae are only a bone GROUP; there are other types of bones like joints, shafts and etc which don't come under the vertebrae clssification.
