I believe it would be the biosphere hoped this helped!
        
                    
             
        
        
        
Hey there!
Which substance is a nucleus acid?
Well here’s your answer:
Nucleic acids, which include DNA 
(deoxyribonucleic acid) and RNA (ribonucleic acid), are made from monomers known as nucleotides. Each nucleotide has three components: a 5-carbon sugar, a. If the sugar is deoxyribose, the polymer is DNA.
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~Evelyn:)
        
             
        
        
        
Answer: (c) seed type
Explanation:
An independent variable is the one which can be altered or manually manipulated in an experiment. The effect of such manipulation can be examined on the dependent variable of the experiment. The dependent variable cannot be manipulated in an experiment instead it is the outcome of the experiment. 
The seed type is the correct answer because the seed type can vary and the effect of which can be examined on the seed germination process and rate of seed germination. 
 
        
             
        
        
        
The phase of mitosis where the chromosomes coil up and condense is at prophase.