Question

ПОМОГИТЕ СДЕЛАТЬ 3 И 4 ЗАДАНИЕ

Answer 1

Ответ:

3

Natural : metal, stone, gravel, wood, sand, iron

Artificial : brick, concrete, timber

4

Advantageous : fire-resistantce, low cost, durability, hardness, high strength, corrosion-resistance

Disadvantageous : high cost, low resistance, high weight, heavy weight, non-fire-resistance, softness