It was Lev V<span>ygotsky, a Soviet psychologist, who theorized about the aided and the preceded concepts regarding the development of language. His theory was mainly focused on human bio-social and cultural development and for him interaction is a necessary tool in one's development.</span>
Answer:
Why u Ask in SST
Explanation:
Anyway there are 118 atons in periodic table
they are the smallest indivisible unit in matter
they are made of proton, neutron and electron.
