Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to become a clinical laboratory scientist [title] Gain familiarity with the sciences as early as high school. [step] Chemistry and biology are particularly important to understand as a lab scientist. If possible, invest time early in your career to cultivating a strong foundation in these subjects.

Ending1: You will want to have years of experience working in the field to prevent confusion as a lab scientist. [substeps] This means shadowing the work of a master scientist in chemistry, which will require intensive clinical knowledge. Ending2: [title] Submit your bachelor's degree in chemistry or physics to the test during high school. [step] If you have high school, this will be something you can do to build up your portfolio, impress school faculty and show prospective employers that you know the subject as much as possible. Ending3: Math is also an important subject to understand. If you truly understand and enjoy these subjects, this might be a good career for you. Ending4: [title] Decide what courses you would like to pursue as a lab scientist. [step] Choose courses that resonate with your field.

Answer format: ending1/ending2/ending3/ending4