Lemon Juice to prevent oxidation in kitchens.
I cannot see the photo so no, sorry
Cultural factors, parental factors, mood, hunger cravings, health benefits, social setting, convenience, cost and allergies/intolerance are just some examples of factors that affect food purchases! Please let me know if you need any explanations! :)
3.6 and repeating.
I hope this helps.
I would say its 2. Working with harsh chemicals