Why is petroleum bad? Petroleum is a liquid which can be seen under the ground. It is usually used as fuels for factories, vehicles, etc. Petroleum also called as oil is thick and black. Now,&hellip
Home Tag: petroleum
Tagged By petroleum
Recent Posts
Similarities Between Humoral and Cell Mediated Immunity
Similarities Between Innate and Adaptive Immunity
, Vivian Goldsmith, Comment Closed
Similarities Between Simple and Complex Carbohydrates
Similarities Between Antigen and Antibody
, Vivian Goldsmith, Comment Closed