The answer is both a and b.
that stuff does always work, what I do if I have one is I wash my face and rub apple cider vingar mixed with water, bc that helps get rid of them ( it works, my grandma saw it on DR. Oz, and she made me do it , I have been doing ever since.) Hope this helps :)
A. Stretching
because stretching is making something be able to go longer or wider without breaking. <span />
Individual decision making is more limited than collaborative decision making because as an individual you would only have one or two points of view on the subject as well as knowledge and ideas. If you were to work with more people to decide on something then there would be a good chance that everyone would be able to pitch in ideas and different points of views to overall decide.