What prerequisites are necessary in identifying a constellation in the sky? [2 MARKS]
Each point: 1 Mark 1. How a particular constellation looks like? 2. Where to look for it in the night sky?
Which constellation can be identified from the big ladle or a plough shape in which it appears in the sky?
Which star in the night sky can be located with the help of:
(a) Orion constellation and (b) Ursa Major constellation?
There are certain special conditions which are necessary prerequisites for the growth and development of corals. The condition that is not favourable: