Meaning of experiment is A-controlled observation.
Part A: D
Part B: A
The main reasons are to protect your legal identity & privacy.
Another reason is to brand yourself like they do in the entertainment industry (some examples are: Oprah, Pink, Shakira, Madonna, Ice-T, etc.)
Answer:
Yes
Explanation:
Here is my GH link for you to get a discount.
Hungry? Try Grubhub! Use my link on your first order and we’ll both get $10 off. https://www.grubhub.com/referral/e3831bf0-6609-11e9-b756-5b90e43e9c31