Answer:
The answer to your question is D) Chemical refining of petroleum
Answer: https://www.battlefields.org/learn/articles/attacked-midnight
Explanation:
<span>The threat to internal validity is the Mortality. Internal
validity is the measure in which the causality of the stimuli studied
is analyzed, that is, if the results of the study are due to the
interaction of the variables analyzed or are due to the interaction with
other variables. <span>Mortality is an error that occurs if the
conclusions of the study are made only on the basis of the participants
who were from beginning to end in the investigation, without taking into
account those who left the study.
I hope my answer can help you.
</span></span>
Government is the term that describes the formal institutions and procedures through which a territory and its people are ruled. Governments vary in their structure, in their size, and in the way they operate.
<h3>What are the roles and responsibilities of government?</h3>
- First of all, the government is responsible for maintaining law and order in the country. They must provide the necessary funding to build an effective and capable police force, a justice system that serves all citizens equitably, and a well-trained defense force. For all three levels of government, security is a top priority.
- After providing top security, the government must focus on the well-being of the people.
- In addition to the former two, the government must prioritize the conservation of nature and the environment.
- Government is also responsible for improving a country's agricultural sector by enacting mandatory rules and regulations.
To learn more about government from given link
brainly.com/question/2034176
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Answer: An earthquake forms.
Explanation:
Faults are cracks in the earth's crust along which there is movement. These can be massive (the boundaries between the tectonic plates themselves) or very small. If tension builds up along a fault and then is suddenly released, the result is an earthquake.
