Question

Answer the following Questions
10 x 2 =
13. Explain the factors responsible for the depletion of water
14. What are decomposers? Name any two of them
15. Give one use of each concave and convex mirror
16. State the characteristics of the image formed by a plane mirror?.
17. Name any two effects of Electric current
18. The distance between two stations is 240 km, A train takes 4 hours to cover the
distance, Calculate the speed of the train
19. Describe the various ways by which seeds are dispersed
20. What is meant by Sexual Reproduction?
21. Write any two functions of Stomata
22. Why is it necessary to excrete waste products?​

Answer 1

) 10*2=20

13)

14) decomposers decompose the the nutrients from dead waste back to the soil. For example bacteria and fungi

15)

16)

sorry itna hi aata hai

Answer 2

Answer:

20 ....................