Which statement selects the column Name from the country dataframe and returns another dataframe?

country.Name

country$[\text{'}$Name$\text{'}]$

country$[[\text{'}$Name$\text{'}]]$

$2)$

What pandas object is returned by the statement country$[[\text{'}$Name$\text{'},$ 'Continent'$]]?$

Series

DataFrame

$3)$

What statement returns the first $10$ rows of the country dataframe?

country$[1$:$10]$

country$[0$:$10]$

country$[[0$:$10]]$

$4)$

What statement returns the first $5$ rows of the dataframe and the columns Name and Population?

country.loc$[0$:$4,[\text{'}$Name$\text{'},$ 'Population'$]]$

country.iloc$[0$:$4,[\text{'}$Name$\text{'},$ 'Population'$]]$

country$[0$:$4,[\text{'}$Name$\text{'},$ 'Population'$]]$