Yes, the data from mass spectrometry has helped modern scientists to make modifications to Dalton's model.
Dalton's model consisted of a single atom and that basically the atom is the smallest object. At the time, no discovered what are inside of atoms.
Atoms are made up of small particles, protons, neutrons and electrons. A mass spectrometer is an instrument that is able to see what is inside an atom. With this item, scientists have proved that atoms are not the smallest in the world cause the objects in them are smaller.
Answer:
A. Tama
Explanation:
Hindi ko po sure kung tama
The GDP is $12 billion.
<h3>What is Velocity of circulation in Economics?</h3>
In Economics, Velocity of circulation refers to the circulation of the amount of the money during a given period of the time. The calculation of the velocity of circulation is done by dividing GDP by the country's total money supply.
The Gross domestic product (GDP) is the standard measurement of the total value of the goods and services produced in the country in the given period of time.
According to the question, Velocity of Circulation is 4 and quantity of money is $3 billion.The calculation of the GDP is as follows:-
Gross domestic product = 4×3 billions
= $ 12 billions
Learn more about Velocity of circulation here:
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