Answer:Functional magnetic resonance imaging or functional MRI (fMRI)
Explanation:Functional magnetic resonance imaging or functional MRI (fMRI) is a technique used to measure activities that occurs in the brain by detecting how the blood flow changes. It is based on the fact that blood flow and neuronal activation occur together.
More than 7 million Chileans live in the Santiago metropolitan region. So the ratio is 1:3.
<h3>Who are Chileans?</h3>
Chileans are those who have a connection to Chile, whether it is by residence, constitutional, history, cultural, or spiritual ties.
Although Chile is a bilingual and multicultural country, the vast majority of Chileans use Spanish as their first language.
They are either Catholics or have a Christian cultural heritage.
Thus, the population of Chileans in Santiago is 7 million and the ratio is 1:3.
Learn more about Chileans, here:
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Republic
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After the March on Washington, in 1964, the Civil Rights Act became law. However, this did not make it easier for African Americans to vote in the South. To bring attention to this struggle, Lewis and Hosea Williams led a march from Selma to Montgomery, Alabama, on March 7, 1965. (Based off of Gooogle)
