Question

please answer all questions please​

Answer 1

Answer:

ans.1. A wave is a disturbance medium that Travels through it allowing transfer of energy as the disturbance moves. Ocean waves and sound waves are similar because in the fact that they carry energy in one spot to another.

ans.2. A trough is an extended reason of actively lower atmospheric pressure, often associated with fronts. a Trough is the opposite of a crest to the minimum and lower point in a cycle.

ans.3. electric current

ans.4.