Explanation

• Humic acid is naturally found in soil.
• It is formed by the decomposition of organic matter (plants and animals).
• It improves soil fertility and nutrient absorption.

Last verified on 02-05-2026

Explanation

• In desert regions, the most common building materials are mud and clay.
• These materials are easily available and provide good insulation against heat.
• They help keep houses cool during hot days and warm at night.
• Wood and bricks are less common due to scarcity of resources.

Last verified on 02-05-2026

Explanation

• Anaximander is credited with drawing one of the first known world maps.
• He lived in 6th century BC (around 610–546 BC).
• His map represented the known world as a flat circular surface.
• It was an early attempt to show geographical layout of Earth.

Last verified on 02-05-2026

Explanation

• About 30% of Earth’s land surface is suitable for agriculture and human habitation.
• The rest includes deserts, mountains, ice-covered areas, and forests.
• Nearly 70% of Earth’s surface is unsuitable for farming or living due to harsh physical conditions.

Last verified on 02-05-2026

Explanation

• Glacial erosion means land is shaped by moving ice (glaciers).
• A Roche moutonnée is a rock hill formed by glacier movement.
• It has a smooth side (plucked) and a rough side (eroded).

Last verified on 02-05-2026

Explanation

• “To face the music” means to accept punishment or deal with the results of one’s actions.
• It implies taking responsibility for mistakes or misdeeds.

Last verified on 30-03-2026

Explanation

• Mediterranean climate is also called dry subtropical type climate.
• It is found around the Mediterranean Sea region and similar areas.
• It has hot, dry summers and mild, wet winters.
• Common in parts of Southern Europe, North Africa, and California.

Last verified on 02-05-2026

Explanation

Year-wise Per Capita Income (Pakistan – World Bank Data)

• 2017 → 1519.2 US$
• 2018 → 1569.3 US$
• 2019 → 1390.4 US$
• 2020 → 1278.4 US$
• 2021 → 1455.3 US$
• 2022 → 1538.3 US$
• 2023 → 1365.2 US$
• 2024 → 1484.8 US$

Last verified on 02-05-2026

Explanation

• A fault is a crack in Earth’s crust where rocks move.
• The line where the fault plane meets the ground surface is called the fault trace.
• It shows the visible surface expression of a fault.
• It helps geologists study earthquake zones.
• Fault trace is commonly used in structural geology.

Last verified on 02-05-2026

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