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⭐Here is Your Answer...!!
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↪Actually welcome to the concept of the Mode of tranfer of heat in solids and fluids 
↪Basically here referring to the medium of transfer of heat 
↪Soil = Solid medium and water = liquid medium 
↪Basically according to the theory of thermal conductance. .
↪Solids transfer heat through conduction and liquids through the convection , thus here 
↪The particlas in solid are more close and have much higher force of attraction in moleclues than the liquids , thus CONDUCTION occurs faster than CONVECTION..
↪therfore the soil will cool faster than the water ...
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Answer:
Beak shape/size or song or behavior or mechanical/chemical differences or time of mating or location on the island or primary food source differs between the Big Bird lineage and G. fortis.
Also acceptable: Description of another mechanism that prevents males and females from different populations from encountering each other/recognizing each other as potential mates. 
 
        
             
        
        
        
<span>I believe you are looking for the term, Dichotomous Keying.</span>
        
             
        
        
        
<span>If a test tube has been used, and its contents is supposed to be disposed, carefully pour the contents to the lavatory with a confirmation of a professional (as it may damage the pipelines of the sink) and ensure that there are no splashes created that can contact the human skin. Wash the test tube thoroughly and let dry.</span>
        
             
        
        
        
Answer: 2 covalent bonds
Explanation: 
In H2O molecule, two water molecules are bonded by a Hydrogen bond but the bond between two H - O bonds within a water molecule are covalent. The dotted lines represent a hydrogen bond and the solid lines represent a covalent bond.