Стопа представлена мощными костями ....и .....,короткими пальцами ,большой палец .... всем остальным.Своды стопы позволяют человеку ....

Помогите!!!! 1)Pupils usually a) works b) work c) are working hard at the lessons. 2) John a) sit b) is sitting c) sits at his desk now. 3) The Arts and Crafts Club a) meets b) meet c) is meeting twice a week. 4) They always a) has lunch b) are having lunch c) have lunch in the school canteen. 5) Kim and Jane a) is studying b) study c) are studying grammar rules at the moment. 6) Steve a) attend b ) is attending c) attends the Football Club four times a week.

как определяется возраст горных пород? 1. Абсолютный 2.Относительный