Answer:
listen to several styles of music and pay attention to his body’s response to each
Explanation:
PV=nRT to find the moles
n= (1.2)(48.5)/(.0821)(450)
once u have the moles of chlorine gas multiply the mols by 2
then by the molar mass of HCl
In an natural observational study investigators
observe subjects and measure variables
of interest without assigning treatments to
the subjects
In an experimental study (inferential stat), data are used to make generalizations about a population based on a sample.
Hence the 1st question is an experimental.
Answer:
Need for a way to measure a nation's income and output.
Explanation:
The Gross Domestic Product of a nation is a unit of macroeconomic measurement that represents the amount of goods and services produced within the territory of a nation during a given period of time. Thus, the value of each of these goods and services are added together, and the numerical total of said sum thus represents the total value of production of said country during the year.
