Physical Geography (Railway)

• It can be seen from earth with naked eyes.

• This galaxy is considered to be slightly larger than Milky way.

•  Common metamorphic rocks include phyllite, schist, gneiss, quartzite and marble.

• He was the founder of Geography and holds the credit to calculate the circumference of the Earth.

• He also calculated the tilt axis of the Earth.

• IUCN founded in 5 October 1948.

• It is involved in data gathering and analysis, research, field projects, advocacy, and education.

• IUCN's mission is to "influence, encourage and assist societies throughout the world to conserve nature and to ensure that any use of natural resources is equitable and ecologically sustainable".

• Biodegradable waste can be commonly found in municipal solid waste as green waste. food waste, paper waste and biodegradable plastics.

• When the sun, the moon and the earth are in a straight line the height of the tide will be higher.

• These are called spring tides and they occur twice a month, one on full moon period and another during new moon period.

• Their highest point is the mountain of Doddabetta, height 2,637 m.

• The depletion of the ozone layer is caused mainly by the increase in emissions of chlorine and bromine containing compounds like CFCs, halons, carbon tetrachloride. methyl chloroform and methyl bromide.

• Emissions of greenhouse gas es can affect the depletion of the ozone layer through atmospheric interaction.

• Extinction therefore becomes a certainty when there are no surviving individuals that are able to reproduce and create a new generation.

• Percival Lowell, who theorized that wobbles in the orbits of Uranus and Neptune were caused by the gravitational pull of an unknown planetary body, first proposed the existence of an unknown ninth planet.