The answer is to this question D
Wave speed = frequency * wavelength
Wave speed = 4 * 25
Wave speed = 100 m/s
Answer:
Ok look Im going try my best, and the answer that most likely looks like it can be correct is C the third picture i hope this is correct and helps bye bye:3
also do you wanna get some points >w>
Explanation:
The correct answer is a, lunar eclipse