Explanation

• On topographical maps, small triangles represent survey control points.
• These are called trigonometrical stations (trig points).
• They are used for accurate land measurement and mapping.
• The figures written with them show height or reference data.
• They help in creating precise geographic maps.

Last verified on 02-05-2026

Explanation

• Australia is a developed country with strong industrial base.
• Its key industries include iron and steel production.
• The country is rich in iron ore and mineral resources.
• Mining supports steel and heavy industry growth.

Last verified on 02-05-2026

Explanation

• A dune is a sand hill formed by wind action.
• The steeper leeward side is called the slip face.
• It forms where sand falls after reaching the top of the dune.
• This side is steep due to gravity and sand movement.
• It is a common feature in desert geography.

Last verified on 02-05-2026

Explanation

Earth rotates 360° in 24 hours.

So, 1 hour = 15° longitude.

And 1 minute = 0.25° (15° ÷ 60).

Time difference = 2 hr 20 min.

Longitude difference = 35°.

Last verified on 02-05-2026

Explanation

• Pampas are vast natural grasslands in South America.
• They are mainly located in Argentina, Uruguay, and parts of Brazil.
• These regions are flat and highly fertile for agriculture and cattle farming.
• It is famous for livestock (especially cattle) rearing.
• It is one of the most important grassland regions in the world.

Last verified on 02-05-2026