Answer:
option A will be the best
<span>An increase in the demand for bubble gum might be caused: by </span>the fact that blowing bubbles is now a popular activity
In marketing, bubble gum is considered as an Unsought product, which is a type of product that wouldn't be bought by customers under normal conditions. This type of products usually had a really high demand when it still becomes a trend and will dramatically decrease as soon as the trend faded out.
The answer is approximately 90%.
Members of house incumbents usually really well known among the people and had many donators that backed them for their campaign.
This situation make them thrive during the re-election and improve their winning rate dramatically.
