Answer: Option A.
Explanation:
Scientific measuring tools refers to the equipments or tools use to measure quantities in science examples include measuring cup, measuring cylinder, e.t.c.
The characteristic that describe Scientific tool is that To be accurate, it must be able to make measurements repeatedly over a long period of time because accuracy is how close the measurements for a value is to the correct value and it must take measurements for long period of time without errors.
 
        
                    
             
        
        
        
Answer:
There is 50 chance because there are two chromosomes that are same and two which are difeerent . XX MEANs girl XY means boys .
 
        
                    
             
        
        
        
Answer:
the emperor penguin can hold their breath for 20 minutes
Explanation:
 
        
                    
             
        
        
        
The fossil record gives evidence of extinct species. The fossil record shows that organisms always remain the same. Which best describes how the fossil record is
 
        
                    
             
        
        
        
Answer:
<u>B. Tall</u>
Explanation:
since an allele that's paired with a dominant allele has no effect on the organism.