Question

12. Write the features possessed by all chordates.
13. An object travels 16m in 4s and then another 16m in 2s. What is the average speed of the object?
14. Write two examples each of coelenterates and platyhelminthes.
15. Write the formulae of velocity and acceleration.
16. Give two examples of chronic diseases.
17. Write any three factors responsible for increasing the rate of evaporation. ​

Answer 1

Answer:

Explanation:

An object travels 16m in 4s and then another 16m in 2s.what is the average speed of the object? 2 ... Average speed of an object = 16 + 16 / 4 + 2 = 5.33 m/s ... Take five example from your surrounding and give explanation ...

Answer 2

Answer:

ans 16 the Centers for Disease Control (CDC) classify the following as chronic diseases: heart disease, stroke, cancer, type 2 diabetes, obesity, and arthritis (5).

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