<span>The oldest known vascular plants in the northern hemisphere are Devonian
This is true</span>
Answer:
The principal functions of the gastrointestinal tract are to digest and absorb ingested nutrients, and to excrete waste products of digestion. Most nutrients are ingested in a form that is either too complex for absorption or insoluble, and therefore, indigestible or incapable of being digested.
Answer:
The melting and the form change it a physical change. The chemical change is how it burned
Explanation:
The correct answer for the above question is D. that the peripheral system includes all the nerves and neurons outside the brain and the spinal cord. The nervous system comprises the central nervous system, consisting of the brain and spinal cord, and the peripheral nervous system, consisting of the cranial, spinal, and peripheral nerves, together with their motor and sensory endings.