Pumice is a type of rock formed when gas bubbles are trapped inside of cooling lava. pumice is most often formed when volcanoes erupt violently. what type of rock is pumice? a) extrusive igneous b) intrusive igneous c) contact metamorphic d) foliated metamorphic

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

How do antiviral drugs work? in your own words.

Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material