Answer:
The respiratory and circulatory systems, for example, work together to provide oxygen to cells and remove carbon dioxide produced by the cells. The circulatory system takes oxygen from the lungs and delivers it to the tissues, then reverses the process with carbon dioxide.
Answer:
Unknown.
Explanation:
I will like to leave a constructive comment that can potentially lead you to the correct answer!
Most fossils are found in sedimentary rock. Sedimentary rock is formed by dirt (sand, silt, or clay) and debris that settles to the bottom of an ocean or lake and compresses for such a long time that it becomes hard as a rock.
Maritime tropical, continental tropical, maritime polar, and continental polar
I think in deep rock and under trenches the rock isn't brittle enough to transmit some seismic waves because it is more ductile or liquid under pressures of depth and temperature
