11- Which gas we most breathe in order to live ?
12- How many colours are there in a rainbow ?
13- A rainbow is made up of 7 colours .which colour occurs in the middle of the rainbow ?
14- Bald eagle is the national bird of
15- A barometer is used to measure
A- Wind speed
16- What are talons ?
17- Which bird is the national bird of india ?
18- What do hummingbirds feede on?
A- Nectar from flowers
19- which bird is the national bird of the usa ?
20- which of the world’s largest bird ?
A- the ostrich