Awave in the rope is a transverse wave but a sound wave is a(an) wave

Here's the answer for all:

17. A Wave in a rope is a transverse: Longitudinal

18. A pebble drops straight:  surface

19. In a transverse wave, :  Wavelength

20. If two waves collide and for a temporary: Destructive

21. At the: Node

22. Decibel

23. C. The number of complete cycles that occur in second.

24. Electromagnetic waves are: Transverse

25. Black

26 & 27 & 28 - You should really do it by yourself its not that hard I promise you. Ill give you some simple answers so you dont get a violation.

26. The wave is most likely to go through the hole and its bending when it goes through the hole.

27. X-rays are used to make images of bones. Gamma rays are images of the brain.

28. The common thing to all the light sources listed below is artificial luminous sources.

Good luck :)

Explanation:

come closer and become far apart and become steam/gas