It is the central vacuole
        
             
        
        
        
Answer:
C
Explanation:
According to Worldwildlife.org, Forest play a critical role in mitigating climate change because they act as a carbon sink - soaking up carbon dioxide that otherwise be free in the atmosphere and contribute to ongoing changes in climate patterns. 
 
        
             
        
        
        
Answer:
The correct answer is mesoderm.
Explanation:
A germ layer is a layer of cells that forms during embryo development. In triploblastic animals, there are three layers. Mesoderm between ectoderm and endoderm two layers, forming triploblastic. Germ layers give rise to all tissues and organs by the process of organogenesis.
Mesoderm give rise to muscles, cartilage, bone, heart, connective tissue, adipose tissue, lymphatic system, circulatory system, dermis, genitourinary system, notochord, and serous membranes.
Thus, the correct answer is mesoderm.
 
        
                    
             
        
        
        
A voltaic cells/ Galvanic cell uses a spontaneous reaction to generate electrical energy in this type of cell, the system does work on the.
This is the spontaneous chemical reaction that produces an electrical current through an outside circuit. These cells are important because they are basic for batteries that fuel modern society. it is occurs with no outside intervention.
This is used the energy released during a spontaneous red-ox reaction to generate electricity. That reaction will have a negative value of gibb's free energy, delta- G. Electrochemical cell is often called a voltaic cell after its inventor the Italian physicist alessandro volt.
To learn more about voltaic cells/ Galvanic cell here
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