There is a number of indicators to measure the growth of the economy, among them the most important are:
GDP:
Gross Domestic Product. it measures the value of all the goods and services produced in the country.
Because some of the GDP can come from a foreign-owned companies, people also introduced:
GNP: Gross National product, measuring the value of produce by a country (whether in or abroad)
Some other indicators are:
Unemployment Rate
and the rate of inflation
The phenomenon in which behaviors that are conditioned only sometimes, thus causing them to be more resistant to extinction, is known as PARTIAL REINFORCEMENT.
Answer:
Solar energy from the Sun's rays is absorbed by the Earth's land and water surfaces.
Answer:
Competitive and empowering mindset helps athletes think they can achieve anything, along with the best and right tools. For example a football athlete thinks there's nothing he can't achieve because he has the agility, strength and physical fitness to play.
Answer:
c. voluntary participation
Explanation:
In the context, Professor Smith conducts a research in the dating behaviors of her college students. She wishes to track the students dating behavior through their entire college careers. So on her first class she explains her research work to the students and does the survey during the class.
Thus in this case, the research has an effect on the voluntary participation of the college students as all the students present in her class was given the survey to complete and they were not asked for their voluntary participation in he survey.
Hence the correct option is (c).
