Question

Помогите пожалуйста.
Write the comparatives of the following:
синонимы или антонимы? А лучше если и то и то..

big
small
clean
dirty
comfortable
pleasant
industrial
polluted
safe
crowded
busy

Answer 1

big - bigger
small - smaller
clean - cleaner
dirty - dirtier
comfortable - more comfortable
pleasant - more pleasant
industrial - more industrial
polluted - more poluted
safe - safer
crowded - more crowded
busy - busier