A. because if you have received flyers for several times for spa treatment, then you have ore options to look at and to see so you can know what the best deal is. B is wrong because billboards ( or whatever you said) are meant to want to make you impulse buy just because someone beautiful was on the front selling a product, and it won't necessarily be good or have a good deal, or be reliable.. Hope that helped! :)
Answer:
Theory can be formed.
Explanation:
Theory may be defined as the explanation of the natural world that can be tested by the scientific methods. Theories can be tested under the controlled experiments.
The scientific experiment has tested a drug and used in one group that getting the drug and other group that getting sugar pill. The group getting drug shows better result than other group, this can be formulated as theory.
I beleve they have to get recertification every year but I may be wrong, with me reserach this is what I believe to be the correct answer
Answer: the heart, the blood vessel, and the blood itself
Explanation: hope this helps
