Chemicals used in our daily life and its speciality.
English
기초
This is abouts the chemicals that we use daily in our life without even knowing chemical name, its chemical formula, its properties and its specialities
설명
태그
30
질문
30 초
질문당
5:30
평균 시간
3.0
대회 점수
12
참가자
at a higher level or layer.
and some grammar mistakes but i liked the idea ... good luck