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

Explanation

RF (Representative Fraction) 1:50,000 means:

1 unit on map = 50,000 units on ground

So, 1 cm on map = 50,000 cm on ground

Convert cm to meters:

100 cm = 1 meter

50,000 cm = 500 meters

Last verified on 02-05-2026

Explanation

• Pacific Ring of Fire is a major zone of volcanoes and earthquakes around the Pacific Ocean.
• It is mainly formed due to subduction zones, where one tectonic plate slides under another.
• This process creates volcanic activity and seismic earthquakes.
• It contains about 75% of the world’s active volcanoes.
• It is the most geologically active region on Earth.

Last verified on 02-05-2026

Explanation

• Shifting cultivation is also known as Milpa system in America.
• It is a farming method where land is cleared.
• It is used for a few years, then left fallow.
• Farmers grow crops like maize, beans, and squash.
• It is common in Central and South America (Mesoamerican regions).
• Soil fertility is restored naturally after shifting.

Last verified on 02-05-2026

Explanation

• The Sun is a star at the center of our solar system with a surface temperature of about 6000 °C (Sun’s core is even hotter, ~15 million °C).
• It provides light and heat, essential for life on Earth.
• The Sun’s energy drives weather, photosynthesis, and climate.

Last verified on 18-03-2026