Committees are necessary in Congress because committee members play key roles in floor debates about the bills that they foster.
Committees help to organize the most important work of Congress considering, shaping, and passing laws to govern the nation.
Answer: Moscow
Explanation:
Russia has a population of 144 million people (in 2015). Moscow is the capital and core of political power and the center of culture, and trade, St. Petersburg is the second largest city.
The threat to validity that is likely to occur in the scenario above is Selection Bias.
<h3>What is Selection Bias?</h3>
This occurs when a researcher has control and intentionally chooses those who are going to be researched, observed, or studied. To eliminate this bias, the scientist must ensure that the sample population is selected very randomly.
Other threats to validity are:
- History
- Maturation
- Attrition
- Social Interaction
- Instrumentation
- Testing
- Regression to the mean, etc.
Please see the link below for more about Threat to Validity:
brainly.com/question/4168290
Answer:
number one i think is shale
number to sandstone
Explanation:
Theae is no reson to use card money is money