A story's theme is: what the author tries to reveal to the reader about life

the time and place the story happens

what the story is about

the main conflict of the story

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?