Answer:
2.2 units
Explanation:
i am not sure but i hope this helps.
Answer:
Usually the colored group. If the skin was light enough, in some conditions would be put in the white group
Explanation:
Answer:
a. each particle of matter vibrates about its normal rest position and along the axis of propagation,
b. Liquids
C. because liquids have the right amount of space between them for the wave to pass through quickly
Explanation:
