Please choose the correct ending to complete the given sentence: Work World: [header] How to become a chemical engineer [title] Evaluate your skills and interests. [step] Before deciding to become a chemical engineer, you should consider your skills and interests. This is because chemical engineers need a certain set of skills.

Ending1: If you're not interested in developing those skills, you won't enjoy it as a career. [substeps] You should be good at completing high level math equations. Ending2: This will outline which ones you will be good at and which ones you will be weak at. [substeps] For example, if you desire to teach children basic chemistry, you will need a strong readiness to take safety precautions, an experienced technician, and some experience working in both public and private facilities. Ending3: These skills can include schooling, research, and skills to succeed as a chemical engineer. Here are some ways to analyze your skills and interests : [substeps] The field you want to take the course at. Ending4: If you are already an organic chemist, working in a chemistry lab is more challenging than if you were a chemical engineer. You need to ensure that your skills, interests, and interests are more relevant to your potential career and in science.

Answer format: ending1/ending2/ending3/ending4