The central European countries, whose commercial resource bases are smaller in relation to their national economies and whose population densities are larger, have concentrated more on measuring the harmful, pollution impact of human activity on the natural environment.
(The central European countries; are; smaller) (The central European countries; are; larger) (The central European countries, whose commercial resource bases are smaller in relation to their national economies and whose population densities are larger; have concentrated; more on measuring the harmful, pollution impact of human activity on the natural environment) Context(The central European countries , whose commercial resource bases are smaller in relation to their national economies and whose population densities are larger have concentrated,List([0, 176))):(The central European countries, whose commercial resource bases are smaller in relation to their national economies and whose population densities are larger; have concentrated on measuring; the harmful)
The central European countries , whose commercial resource bases are smaller in relation to their national economies and whose population densities are larger have concentrated,List([0, 176))
The central European countries The central European countries The central European countries, whose commercial resource bases are smaller in relation to their national economies and whose population densities are larger The central European countries, whose commercial resource bases are smaller in relation to their national economies and whose population densities are larger
are are have concentrated have concentrated on measuring
smaller
larger
more on measuring the harmful, pollution impact of human activity on the natural environment
the harmful