Explanation

Tape speed is measured in inch per second.

Explanation

Slumps are different from flows because, although the material under the slump may act like a liquid, the actual material that slides downhill stays solid.

Explanation

Lunar Seas, or maria, are large, dark basaltic plains on the Moon's surface.

It formed by ancient volcanic eruptions.

They are not actual seas filled with water.

Explanation

Yardangs and Earth Pillars are geological features formed by erosion.

While Balban is unrelated to erosion as it refers to a historical figure, not a natural feature.

Explanation

In Pakistan, approximately 160,000 (0.16 million) people die each year due to tobacco-related diseases.

It including cancer and cardiovascular issues.

Explanation

• Rotation speed: 15° per hour.
• Rotation: Once every 24 hours.
• Direction: West to East.
• Equator speed: 1,670 km/h.
• Revolution around Sun: 365.24 days.
• Rotation causes day and night.

Explanation

Petroleum, natural gas & coal are called non-renewable energy sources.

The most popular renewable energy sources currently are:

1.      Solar energy

2.      Wind energy

3.      Hydro energy

4.      Tidal energy

5.      Geothermal energy

6.      Biomass energy

RK12-12-2022

Explanation

Soil pollution can be caused by acid rain.

It is a type of precipitation that contains high levels of sulfuric and nitric acid.

This can occur when fossil fuels are burned, releasing sulfur dioxide and nitrogen oxides into the atmosphere, which then combine with water and oxygen to form acid rain.

Acid rain can alter the pH of the soil, making it more acidic and potentially harmful to plants and microorganisms.

Explanation

At the top of the waterfall, energy is stored in the form of gravitational potential energy

but when it falls, it gets converted from potential to kinetic energy

Potential energy due to the object's height above the Earth is converted to kinetic energy as it falls

Explanation

Malaria is caused by Plasmodium parasites.

The parasites are spread to people through the bites of infected female Anopheles mosquitoes, called "malaria vectors.