Scientific investigations that involve some kind of testing will make use of observations. generally speaking making observations is the first step of the scientific method.
It would primarily be Medicare but Medicaid also provides relief for the elderly and poor
<span>George Simmel was a pioneer in sociological studies due to the fact that he developed the concept of the sociological imagination, and believed that societies can be understood through an empirical scientific approach known as positivism which is still used in research today.</span>
The option which would most likely result in the greatest decrease in the rate of a chemical reaction is adding an enzyme inhibitor to a reaction catalyzed by an enzyme.
Enzyme inhibitor is known for slowing down any processes, especially when it comes to chemical reactions, so I'd say A is the correct answer.
Argyroneta aquatica because it is the only species of spider that lives entirely uder water