Correct Answer :   Johannesburg

Because of the gold mines, Johannesburg is considered the gold capital of the world. Since 1886, when gold mining started in this South African region, it has been known as the gold capital.

Correct Answer :   Temparature

Latitude of place is indicative of its temperature. In geography, latitude is a geographic coordinate that specifies the north–south position of a point on the Earth's surface. Latitude is an angle which ranges from 0° at the Equator to 90° at the poles.

Correct Answer :   Earthquake

Tsunami are waves caused by sudden movement of the ocean surface due to earthquakes, landslides on the sea floor, land slumping into the ocean, large volcanic eruptions or meteorite impact in the ocean.

Correct Answer :   Chlorine

The sea water contains 18.98 parts per thousand of chlorine, 10.56 parts per thousand of sodium  and 1.27 parts per thousand of magnesium.

Correct Answer :   Isoseisimic line

Correct Answer :   Atmospheric

The exogenic forces derive their energy from the atmosphere determined by the ultimate energy from the sun and also the gradient created by tectonic factors. We have already discussed in previous articles that slopes on the earth surface are mainly created by tectonic factors or earth movements due to endogenic forces.

Correct Answer :   Stromboli

Stromboli, a volcano located on its homonymous island in the South of the Tyrrhenian Sea, is considered one of the most active volcanoes in the world. Already famous for its persistent explosive character during the Roman ages, they named Stromboli 'the Lighthouse of the Mediterranean'.

Correct Answer :   Degree of hardness of minerals.

Mohs scale is a scale used to measure the relative hardness of a mineral by its resistance to scratching. From softest to hardest, the ten minerals of the Mohs scale are talc (measuring 1 on the scale), gypsum, calcite, fluorite, apatite, orthoclase, quartz, topaz, corundum, and diamond (measuring 10 on the scale).

Correct Answer :   Interior of the earth

The Earth's interior is composed of four layers, three solid and one liquid not magma but molten metal, nearly as hot as the surface of the sun. The mapping of interior of the Earth of the following is most difficult.

Correct Answer :   Ashgabat

Ashgabat , formerly named Poltoratsk between 1919 and 1927, is the capital and the largest city of Turkmenistan. It is situated between the Karakum Desert and the Kopet Dag mountain range in Central Asia. It is also near the Iran-Turkmenistan border.