6) Eclipses occur due to which optical phenomena?

Reflection

Refraction

Rectilinear propagation

Diffraction

Answer is:

Rectilinear propagation

Penguins

Emu

Ploar Bear

Seals

Answer is:

Savanna

Downs

Selva

Prairies

Answer is:

Explanation:

Downs is called natural cattle country. The Darling Downs contains the largest deposit of rich black agricultural soils in Australia.

Gradual loss of biodiversity hot spot

Gradual reduction in the amount of global direct irradiance at the earth surface

Gradual increase of the temperature of ionosphere

Gradual increase in the melting of ice in polar regions

Answer is:

National Institute of Agriculture Extension Management(MANAGE), Hyderbad

Indian Institute of Horticultural Research (IIHR), Banglore

Indian Agriculture Research Institute(IARI), New Delhi

Centre for Informetics Research and Advancement , Kerala(AGREX)

Answer is: