Question

spring tides and neap des cours
3. In what ways are tides useful to us?
4. Mention four effects of ocean currents​

Answer 1

Answer:

3) High tides help in navigation and also tidal power is used to generate electricity.

Answer 2

Answer: tides are useful to us because  if tides touch a big rock  again and again the rock can break and can be useful for human.

sorry i dont know the 4 answer