Question

we can easily move our hand in air but to do the same through a solid block of wood we need a karate expert.?​

Answer 1

Explanation:

We can't move our hand in solid because the force of attraction between molecules are high, but in air the force of attraction is less.

Hope it helps you

Mark as brainalist

Answer 2

Answer:

particles of air have large spaces between them. on the other hand wood has little spaces between them and also it is rigid that's why we can easily move our hand in air but to do the same through a solid block of wood we need a karate expert.