Ascientist observes how a particular south american bird cares for its young. why is a field study an appropriate type of scientific investigation? (4 points) it allows the scientist to simulate the natural environment of the bird in the laboratory. it allows the scientist to conduct a controlled experiment. it allows the scientist to watch the animals without disturbing them or their environment. it allows the scientist to change how the bird cares for its young

Mark the four statements that are true. 1. the democrats blamed the republicans for the stock market crash of 1929. 2. the democrats won the presidency in the 1990's but lost control of the congress. 3. the democratic party is the oldest political party in the united states. 4. the anti-federalists were one of the first two american political parties; they wanted a strong central government. 5. the "era of good feelings" was a period from 1816-1824 where there was only one political party: the democrat-republicans.