“my background has given me the knowledge and experience to understand this complex issue.” this statement is an example of

What was a problem faced by many newly independent african countries

What is a ridge of rock near the water's edge

Ireally, really need with this asap. i don't understand spanish prepositions and when they should be used. the questions are:fiesta con juan el fin de semana pasado. el parque está casa. es una lástima que haya tantos lago. el jefe quiere inmediatamente. the answers can be one of the following: en, con, de, a i will award !