Coralline and calcareous algae build-ups are very essential for the development of coral reefs. In addition, when these coralline and calcareous algae tends to "stick" on landforms below the ocean surface, and as these life forms grows and continuously expands, they now form what we call "reefs."
        
             
        
        
        
Answer:
The options 
A) "Medications are needed to prevent heart failure."
B) "I will take aspirin, atenolol, and captopril indefinitely."
C) "My blood pressure should be less than 130/80 mm Hg."
D) "Daily estrogen will prevent another heart attack."
The CORRECT ANSWER IS D)
D) "Daily estrogen will prevent another heart attack."
Explanation:
A reduction in the natural hormone estrogen levels could be a causative factor in heart disease increase within post-menopausal women. Estrogen is thought to show a positive impact on the inner layer of artery wall, functioning in such a way to keep blood vessels elastic.
In spite of the advantages of estrogen, the American Heart Association speaks against employing postmenopausal hormone therapy to decrease the likelihood of coronary heart disease or stroke as some research works have revealed that it vividly do not decrase the risk of heart attack but increases the likelihood of blood clots and stroke.
 
        
             
        
        
        
Answer:
Astronomy is a study based off of the stars and whats outside our planet while earth science is based on whats in and on our planet .
Explanation: 
I hope this helps! Have a great day.
 
        
             
        
        
        
They are both similar because they both replicate stuff and they are different because DNA replication is natural but DNA cloning is man-made.
hope it helps!
        
                    
             
        
        
        
The answer would be D. Empiricality. Scientific Method can not, and will not deal with studies that are either for logic or for theism. This field may be beyond the scientific confirmability, meaning, it can not be proven by science, one example of this is the existence of a primary mover, or a God.