The seaweed and kelp you see along the rocky coasts of oceans are most likely green algae fire algae brown algae red algae

The correct answer is Brown algae. They are important for ocean organisms as they are both food and habitats for various living organisms.

The speed of  sound:   sound travels  at different speeds depending on what it istraveling through. of the three mediums (gas, liquid, and solid)  sound waves travel the slowest through  gases, faster  through  liquids, and fastest  through  solids.

This is giving me a headache i have asked others and they don’t know it either