<span>Copernicus placed the sun at the center of the universe. Ptolemy place the earth at the center.
Both of these view couldn't be proven at that time, but only Copernicus experienced negative backlash by the church because it's deviate from the biblical teaching. Not until year of 1600s before another intellects name Galileo created the invetions that might prove Copernicus' theory (which also being torn apart by Religious groups)</span>
Answer:
This influx of economic migrants has exacerbated ethnic tensions within Russia. Because regional governments cannot pay their energy bills, clashes over energy has caused even more tension.
Explanation: Economic collapse has produced social dislocation and extreme poverty. Widespread corruption and the entrenchment of aging leaders and their families have eroded support for central governments and constrained the development of a new generation of leaders.
<u>Answer:</u>
<em>The above statement is absolutely true. </em>
<u>Explanation:</u>
<em>Personal financial statements can be helpful in keeping the record of the expenses in different resources.</em> They also help to account for the family income and expenditures and regulate and maintain them.
Making personal financial statements can additionally help with the planning of the budget and show the indication of one’s financial conditions. <em>Keeping the record of groceries, gas, utility bills, rents, taxes, recreation expenses, etc. </em>
And determining the inflow and outflow of cash through the financial statement helps to find the net cash flow. <em>This shows if you are spending </em><em>more than you earn and can help in regulating the cash inflow and outflow and also control the budget. </em>
Answer:Validity
Explanation:
Validity is measure of how valid the research is which means it gives solid relevant result which were initially intended. It is a test of how valid both your design and method of the research is.
There are various factors that can affect validity of the research.
There are internal factors that can affect validity of the research those are the ones that occur within the study such as failure to monitor vital variables of the study or using the inaccurate instrument to gather the needed data.
Below are the factors that has an impact on internal validity.
-size of the studied population
-instruments used
-history
-subject variability
-available time to gather data
- attrition
External validity are affected by the external factors such as the place where you conduct your research which may restrict the ability to obtain actual results . It can also be affected by the things like not being able to balance your subjects for example focusing on one gender and race eventhough your research is about all the types of people at large.
Crucial factors that affects external validity.
- The effect of time
- method use to collect data
- characteristics of the chosen population
- experiment effect
- interaction of subject selection
