The greenhouse effect is the a. movement to reduce pesticides. b. hole in the ozone layer. c. increase in earth temperature due to trapped gases. d. decrease in earth temperature due to escaping gases
        
             
        
        
        
Answer:
B) Symbiosis
Explanation:
Symbiotic relationships in nature means that two organisms help each other. Coral reefs are poisonous to most sea life EXCEPT the clownfish, which uses the coral as homes. The clownfish also provide food for the coral, so both benefit.
 
        
                    
             
        
        
        
Good coronary circulation nourishes the heart and reduces the risk of a heart attack. Coronary arteries supply blood to the myocardium and other components of the heart. They originate from the left side of the heart at the base of the aorta. The heart muscles needs oxygen-rich blood to be able to carry out its functions. 
        
             
        
        
        
1.Nucleic acids:Stores and transfers info
2.Carbohydrates:Store energy, provide fuel, and build structure in body, main source of energy, structure of plant cell wall
3.Lipid:Insulator and stores fat and energy
4.Protein:Provide structural support, transport, enzymes, movement, defense