To be a chemical engineer you have to have knowledge in chemistry and physics. You'll need to have your degree and sometimes further education is needed.
8 years of collage with a major in medical science
maths chemistry and physics
Probably the stem system: science technology engineering mathematics
No Maths is needed to become an engineer.
In general, in order to become a petroleum engineer, you will need to have an engineering degree. You will also need to have done a masters in petroleum engineering.
4-6 years of university, with a high level of knowledge in physics and some geology.
there are specialised chemical engineering course throughout the world, most of them are given at university level
Usually math and science
You should not have to take biology to become an aerospace engineer.
How many years of education is needed to become a cosmetologist?
There is a lot of education that is needed to become a toxicologist. You need many medical education courses in school