How are homogeneous and heterogeneous mixtures related? A mixture is composed of one or more pure substances in varying composition. There are two types of…
Why did the open range come to an end? It was an incredibly harsh winter with temperatures dropping to -55 degrees. Deep snow prevented the…
What is the best vitamin for high cholesterol? Niacin is a B vitamin. Doctors sometimes suggest it for patients with high cholesterol or heart concerns.…
What principle was established by McCulloch versus Maryland? This case established two important principles in constitutional law: (1) the Constitution grants to Congress implied powers…
What do gills and lungs do? Lungs take oxygen from the air and send carbon dioxide out through the air. Gills take oxygen out of…
Who did the Social Security Act leave out? The Decision to Exclude Agricultural and Domestic Workers from the 1935 Social Security Act. The Social Security…
What was the biggest disagreement during the Constitutional Convention? The major debates were over representation in Congress, the powers of the president, how to elect…
What were the Southern Colonies called? These colonies were the historical core of what would become the Southern United States, or “Dixie”. They were located…
Is a paperclip a float? It seems to defy the laws of physics, but a paper clip made of steel can indeed float on the…
What president is on the 25 coin? George Washington The quarter is the United States’ 25-cent coin. The person on the obverse (heads) of the…
What organelle transfers energy to ATP? The correct answer is (a) mitochondria. Mitochondria are organelles that carry out cellular respiration, a metabolic process that breaks…