How does the wavelength and amplitude of a wave change as it moves through or gets reflected by different media? I need an answer quickly please

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.

Anybody wanna ? (picture included? )