That statement is false
Water indeed travel through layers of rocks and soil but they're permeable.It will get straight to the soil so it can be absorbed by the plants to create oxygen
The most abundant fossil fuel is coal... Coal isn't only our most abundant fossil fuel,it's also the one with perhaps the longest history. The U.S. has more coal reserves than any other country in the world. In fact, one-fourth of the all the known coal in the world is in the U.S.
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.
