A low pH suits some plants just fine. That is, certain plants thrive in acidic soil (as opposed to alkaline or sweet soil), including: Mountain laurels (Kalmia latifolia), such as the delightful 'Minuet' laurel shrub shown in the picture. Azaleas and rhododendrons.
Most information about public opinion generally comes from a mass survey, an in-person or phone interview with hundreds or even thousands of voters. Mass surveys aim to measure the attitudes of a particular population or group of people.
A biased opinion is based on a preconceived notion or idea about a thing, person or group of people based on personal beliefs. It is based on the idea that the human brain, in order to conserve energy, naturally looks for shorter paths to conclusions by using what has been ingrained to draw speedy conclusions.