a surfer experienced a windy day at the sea, he counted the waves passing by him per min. he counted 20 waves in one minute. can you find out the frequency of the ocean waves at that time?

What organization and environment is described above?

3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?

Language is not the only way that humans communicate. describe how we use sound, touch, chemicals, and sight to communicate. need answer asap