Question

d) All the above
13. Which of the following is an example of muscular force?
a) Movement of a car on the road
b) The presence of magnetic field around the earth
c) Boxer and kickboxing bag
d) The to and fro motion of pendulum
14. What colour does a combination of copper hydroxide a
produce?
a) Red​

Answer 1

Step-by-step explanation:

13. boxer and kickboxing bag

14.red