Question

anybody give me the answer ​

Answer 1

Answer:

A-1. In this image old rusted tin cans and other iron rusted utilities are there.

A-2. When iron is exposed to oxygen and water or water vapour for longer period of time, it rusts.

A-3. To prevent rusting follow these 2 methods:

• Do not expose iron in humid area.
• Galvanize it or Apply Galavanization Coatings on it.

Answer 2

Explanation:

The borders of the Roman Empire, which fluctuated throughout the empire's history, were realised as a combination of military roads and linked forts, natural frontiers (most notably the Rhine and Danube rivers) and man-made fortifications which separated the lands of the empire from the countries beyond.

Yo timing batao m e e t ki