To describe a scientist as skeptical, they question existing ideas and a new hypothesis. skepticism is a valuable quality because it shows that scientists is good and open minded.
i hope this helps...
        
             
        
        
        
Answer:
D. a clown jumping out should be correct.
Explanation:
that should be correct if not let me know so i can help:)
 
        
                    
             
        
        
        
two strands of DNA are held together by weak hydrogen bonds.
 
        
                    
             
        
        
        
Answer: Option C) AGU
Explanation:
AGU and AGC are the two codons that code for the amino acid, Serine. These codons are made of three nucleotides, thus they have a triplet nature.
AGU that code for serine is made of Adenine, Guanine and Uracil joined together, carried on the messenger RNA to be added to the growing polypeptide chain.