scientists have (P)  the effects of(Q)    warned us about (R)   climate change(S)

and garbage (P)    today our environment(Q)    filth and squalor(R)     is in constant…

speed is a potent cause(P)    industrial growth at a terrific(Q)    in a big…

from Europe to America(P)    in 1992(Q)   his first voyage (R)   Columbus made(S)  

Each item in this section has a sentence with three underlined parts labelled as (a),…

Each item in this section has a sentence with three underlined parts labelled as (a),…