173, C - such -> such as
174, C- their -> his
175, D - horizontal -> horizontally
176, A - To putting -> To put
177, C - rarely -> rare
178, C – prevent -> preventable
179, A - Not -> Not a
180, D – radiate -> radiation
181, D - grow -> growth
182, C – is separate -> is separated
183, A – In spite -> In spite of
184, C – painting -> painter
185, D – populated densely -> densely populated
186, D – which it connects -> which connects