answer:1. Shampoo - Used for cleaning the hair and scalp. 2. Conditioner - Used to hydrate and soften the hair, and improve manageability. 3. Hairspray - Used to hold hair in place and add volume. 4. Serum - Used to control frizz, add shine, and protect hair from heat damage. 5. Hair Oil - Used to add shine, nourish and moisturize hair, and protect it from environmental damage. 6. Hair Mask - Used to deeply nourish and moisturize hair, repair damage, and improve hair health. 7. Hair Gel - Used to create different hairstyles and hold hair in place. 8. Hair Mousse - Used to add volume and texture to hair. 9. Heat Protectant - Used to protect hair from heat styling tools, such as flat irons and blow dryers.

answer:Y = 6

answer:Historians document past events through researching and analyzing primary and secondary sources, such as documents, artifacts, and records of eyewitness accounts or observations.

answer:Yes.