The answer is
c. a harvard trained archaeologist who first uncovered the lost inca city of machu picchu
Answer:Notably, John C. Calhoun,
Explanation:Notably, John C. Calhoun, of South Carolina, who would be a strong opponent of future tariff regimes supported the Dallas tariff in the Congress. The Act was passed in April of 1816 with rates of twenty-five per cent against woollen and cotton goods and a highest rate of thirty per cent.
The fact about Tabacco is true. But the colony was set up by men from the Virginia company not by families
The answer to your question is: last option.
20 protons
20 electrons
25 neutrons
Explanation:
Data
Calcium, atomic number 20
Atomic number indicates the number of protons in an element, so, if Calcium's atomic number is 20, it means that it has 20 protons.
In a neutral element, the number of protons = number of electrons, then
Calcium has 20 electrons.
Only the number of neutrons could change.
According to the previous description, the last option is correct. ( also put the options too)
