<span>The
economist Julian Simon bet in 1980 that the prices of five free traded
commodities would decline in ten years. In 1990 Simon won this bet against
the neo-Malthusian Paul Ehrlich.</span>
Answer:
It is an observational study
Explanation:
In an observational study, nothing changes, all the researcher has to do is to record findings, it is a study that involves the collection of data in a real-world setting without intentionally manipulating any variable. On the contrary, an experimental study involves the manipulation of variables, you have the control group and the test group, the test group is subjected to the treatment.
Answer:Tycho Brahe was known for his accurate and comprehensive astronomical observations. Tycho was well known in his lifetime as an astronomer, astrologer, and alchemist. known for the Tychonic system and the Rudolphine Tables
Explanation:
Basically supporters of the free silver movement thought that bimetallism would help the economy by causing inflation. This would help farmers and others who had too much debt.
