TB. It is open to change.he thing about science is that a discovery may be made today and written up but by tomorrow something else is found that edifies what was found or proves it incorrect or make it obsolete.  .Therefore the answer is <span>B. It is open to change</span>
        
             
        
        
        
Answer:
The volume of pollutants decrease in the ecosystem
 
        
                    
             
        
        
        
The answer is "All of the above".
        
             
        
        
        
Answer: Neurotransmission  
Explanation:
The transfer of the information from one neuron to another takes place through the release of the chemical substances from the axon of one neuron to the dendrite of another via synaptic junction.
The chemicals that is transferred between two neurons is known as neurotransmitter and the process is known as neurotransmission.
The brain consists of multiple neurons and this is how the information is transferred across the brain and body.
 
        
             
        
        
        
<span>the platelets in the blood comes in contact with air they decompose to form thermoplastic, thermoplastic combine with inactive thrombotic, formed by the combination of Vitamin K and Calcium ions,to form active thrombi,thrombi combines with the fibrin in the blood plasma to form Fibrin, this Fibrin entangle with blood corpuscles and thus clot is formed... i hope i helped
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