Breathing and Exchange of Gases

What will be the pO2 and pCO2 in the atmospheric air compared to those in the
alveolar air ?
(i) pO2 lesser, pCO2 higher
(ii) pO2 higher, pCO2 lesser
(iii) pO2 higher, pCO2 higher
(iv) pO2 lesser, pCO2 lesser