Question

please answer fast 20 marks question please answer fast

Answer 1

Answer:

giv

Step-by-step explanation:

Mountains to the east blocked easy access to east and left little land for farming. Syrian enemies to the north and east threatened to attack their trade routes. They were unable to cross the Tigris River going east.

Answer 2

Lyophobic colloids are liquid hating colloids (Lyo means solvent and phobic means hating). When these colloids are mixed with the suitable liquid, very weak force of attraction exists between colloidal particles and liquid and system does not pass into colloidal state readily. Therefore, lyophobic sols are difficult to prepare.