What are the characteristics of the central nervous system? select all that apply.

1: it is made up of the brain and spinal cord.

2: it is a system of bones that supports the body.

3: it uses the spinal cord as a pathway to transmit messages to the pns.

4: it contains networks of nerves called plexuses.

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answer: after carbon dioxide enters the leaf through stomata it moves into the mesophyll cells where photosynthesis occurs and glucose is constructed. respiration occurs when glucose (sugar produced during photosynthesis) combines with oxygen to produce useable cellular energy.

explanation:

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a compound light microscope is used to magnify objects in steps.  

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