Which of the following is an extrusive igneous rock that contains so many air pockets that it often floats in water a.) obsidian b.) granite c.) gabbro d.) pumice

Brainliest ! is slowing down a car an example of acceleration? explain. - explain correctly

If your blood becomes too concentrated with iona, what will happen to the red blood cells

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body