Contour <span>interval (CI) </span>
Answer:
If the frequency of a wave increases while its speed remains constant, the wavelength decreases i.e. the distance between successive crests decreases.
Explanation:
True, most people live along the Nile river
Answer:
No clouds do not always lead to rain
Explanation:
Because, it could be partly sunny which would be sunny with a few clouds.
Dark clouds lead to rain or a thunder storm.
