The food group is fats (sweets and oils)
        
             
        
        
        
Active transport
Hope this helped :) 
        
                    
             
        
        
        
I. Each carbon atom can form single bonds with up to four other carbon atoms. II. Each carbon atom can form double bonds with up to two other carbon atoms. III. Carbon atoms can join together to form chains or rings. IV. A single molecule of some compounds can contain thousands of carbon atoms.
Answer:
All the given choices
Explanation:
Carbon is a very interesting element which is the backbone of most organic compounds. 
Organic compounds are made up of carbon. Carbon forms a wide range of compound due to the following properties; 
- An atom of carbon has 4 valence electrons and can bond with 4 other carbon. 
- Carbon can form single, double and triple covalent bonds. 
- They can join together to form rings or chains.
 
        
             
        
        
        
<span>The study of the interactions of genes with the environment is called Epigenetic, is how genes are expressed in relation to environmental factors and how diseases and other conditions develop. It is the study of the impact of environment and lifestyle on the behavior of genes and the way it responds to external factors.</span>
        
             
        
        
        
Carpool to work,ride the bus,or switch to electric cars.