Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to teach chemistry [title] Obtain a bachelor's degree in chemistry. [step] Many schools require a bachelor's degree specific to chemistry in order to teach the subject. It's important to have a firm understanding of chemistry in order to be able to teach it to your students.

Ending1: [substeps] If you haven't taken classes in chemistry at a high school, any bachelor's degree will suffice. However, if you're an advanced-level professor or have been a member of the american association of laboratory technicians for at least 3 years, your bachelor's degree will likely be sufficient to teach your classes. Ending2: However, too much experience with the subject may make you lose interest and fail at a later date. You should have a doctorate degree in chemistry before you start your own lab or series of experiments. Ending3: [substeps] Some schools only require a basic science certification on top of a bachelor's in teaching, but if you are serious about teaching chemistry, you need a bachelor's specific to the subject. [title] Get all the necessary licenses or certifications. Ending4: Finding an engineering degree in chemistry will help you keep your key job in the future. [substeps] Most universities will continue to require bachelor's degrees in physics in 2017.

Answer format: ending1/ending2/ending3/ending4