Both hydrostatic and exoskeletons can protect internal organs from harm. contrast the ways the skeletons perform these functions.

hello there the answer is d

multiply it by 5 in order for you to understand i cant give an exact answer.

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.