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.
Interest groups play an important role in our political system, and not everyone agrees on how beneficial this role is. Some argue that politics is mainly a competition among groups, where each one presses for its own policy preferences but where all interests are represented. We call this the pluralist theory.