<span>The wall of the alimentary canal is composed of four basic tissue layers: mucosa, submucosa, muscularis, and serosa.</span>
Solution caves are formed<span> in carbonate and sulfate rocks such as limestone, dolomite, marble, and gypsum by the </span>action of<span> slowly moving ground water that dissolves the rock to </span>form<span> tunnels.</span>
The genetic combination of their parents.
Explanation:
cigaratte smoking is injurious to health because it affects our lungs,heart and different internal organs of our body which is cause of cancer and other non curable diseases.
