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Pavlova-9 [17]
3 years ago
14

Chang described two substances which participate in photosynthesis.

Biology
1 answer:
cluponka [151]3 years ago
3 0

Answer:

- Substance A is chlorophyll and Substance B is oxygen.

Explanation:

Chlorophyll is the green coloring matter responsible for the green color of a leaf.

It helps in trapping sunlight for the purpose of photosynthesis.

In the event of photosynthesis, carbon dioxide is used, the gas produced is oxygen.

This makes the right choice be the first option.

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rodikova [14]

Cells in the nervous system are  different in structure from cells in the  circulatory system, and they carry out  different specialized functions is the statement which accurately compares cells in the human circulatory system to cells in the human nervous system.

Option C

<h3><u>Explanation:</u></h3>

Cells of the circulatory system includes blood corpuscles like red blood cells, white blood cells, platelets, and plasma. Cells of nervous system include neurons, neuroglia, and supplying blood vessels.  

The cells of each of the system are completely different from each other. They perform specialized functions and are totally different in shape and sizes. A neuron can be 1 meter in length as in vagus nerve. But RBCs are 7.5 micron in diameter, and a WBC is 20 micron in diameter. Platelets are even smaller. So they are structurally and functionally different.  

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Answer:

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