Chemicals used in our daily life and its speciality.
English
Базовый
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
Описание
Теги
30
Вопросов
30 сек
На вопрос
5:30
Среднее время
3,0
Результат в конкурсе
12
Прошли тест
at a higher level or layer.
and some grammar mistakes but i liked the idea ... good luck