Answer:
B
Explanation:
looking at this rock, there are NO layers, and all other choices describe having layers, so B
Answer:
True
False
Explanation:
For False: There is not one basic kind of reproduction.
Osteoblasts are the cells in the bone tissue that are responsible to form bone tissue itself. This is the process that allows bones to grow. To counteract this process, osteoclasts, another type of cell from the bone tissue, have the role to break down bone tissue by molecular processes - enzymatic and chemical.
Answer:
earth worm is really fat and digestive system means u eat some and digesteds