Answer
The answer is A I think...
 
        
             
        
        
        
Answer:
All organic molecules are made up of carbon compounds so we can say that the main atom or molecule is carbon. 
hope it helps! 
 
        
             
        
        
        
For a introduced species to be invasive species, there needs to be certain characteristics of the species. 
<h3><u>Explanation</u>:</h3>
Invasive species are the species that belong to some other place and are introduced to a new place by means of any human interference. But many species are often transferred from one place to another. But not all of them remain there as an invasive species. This is because for being an invasive species, they need to have certain characteristics:
A. They need to have high rate of reproduction.
B. They need to have short dormancy periods. 
C. They need to have high generic variability.
D. They need to be polyphagous and gregarious.
E. They need to have high dispersal rate and great adaptability.
F. They need to have phenotypic plasticity. 
 
        
             
        
        
        
Seafloor spreading can stop during the process, but if it continues to the point that the continent is completely severed, then a new ocean basin is created. Your answer No
        
             
        
        
        
Answer:
Explanation:
The pyruvic acid is oxidised to CO₂, ATP, and NADH₂ and FADH₂