Rickets develops in growing children who are not exposed to sunlight and have a deficiency of vitamin D, phosphorus or calcium. The disease leads to symptoms such as softening/weakening of the bones, muscle weakness and delayed formation of teeth. The disease is most often observed in young children that are aged between 6 to 24 months of age.
Adding a negative catalyst I’m sure
Scientists classify organisms to make them easier to study. Taxonomy is very useful to scientists because once an organism is classified they can already learn about it
