Yes and it consists of abiotic factors, river, rocks, etc
        
             
        
        
        
Looking for someone in 10th grade biology? How can I help you.
        
             
        
        
        
Answer:
B. a sequence of DNA bases that duplicates a sequence of RNA bases.
Explanation:
Transcription is the first step in gene expression. It involves copying a gene's DNA sequence to make an RNA molecule.
 
        
             
        
        
        
Answer:
A) Nucleus and Ribosome 
Explanation:
Diabetes can be a very chronic disease if not properly controlled, it mostly affect the aged people. If not properly treated it can in some cases lead to the death of the individual.
Diabetes occurs when the pancreas in the body system does not produce any insulin, the insulin is a type of hormone that is found in the body, this hormone helps to normalize the amount of blood sugar that is present in the human body.
The two organelles in the pancreas that is responsible for the production of insulin in the body is; nucleus and ribosome
 
        
             
        
        
        
Calcium oxide based on the above explanation is an ionic compound.