1.natural condensation polymers include__________,___________andnatural condensation polyesters include_____________.
问题描述：
1.natural condensation polymers include__________,___________andnatural condensation polyesters include_____________.
2.synthetic condensation polymers are_____________and____________.
答
1. natural condensation polymers include Proteins, Carbohydratesand natural condensation polyesters include cutin of plant cuticles2. synthetic condensation polymers arenylon and polyethylene te...