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

D. Pumice
Pumice is an extrusive igneous rock that can float in water.

You should provide a picture to show where the arrow is pointing and which information that is given. but there are 3 branches of the government, legislative, executive, and judicial. legislative makes laws, executives pass laws, and judicial are the courts