Question

O.
(i) Satish went to science laboratory to see the specimen of cockroach and bird wings. He ol
differences in them though both are used for flying.List any two differences between wings
and bird. (2m)
(ii)Which type of movement would have been possible if
(a) our elbow had a fixed joint?(1m)
(b) we were to have a ball and socket joint between our neck and head.(1m)
(iii) Why can our elbow not moved backward?(1m)
The two is a magnet. Suggest t​

Answer 1

Answer:

yes

Explanation:

2) ball and socket joint

3) because the can't move wings back ward