Question

4. Which feature of birds help them to
fly?
a. Beak
b. Segmented body
c. Thin legs d. None of these
5. How many pairs of ribs are there in
the body of an adult human being?
a. 12
b. 24
C. 33
d. 10
6. Which of the following is a hinge joint?
a. Wrist joint
b. Neck joint
c. Shoulder joint d. Knee joint​

Answer 1

Explanation:

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Answer 2

Answer:

Bfjsthg how are you going to be a good day and