Answer:
other answer is right but they got the letter wrong, its answer B: Birth defects
Explanation:
 
        
             
        
        
        
This was to gain more support for Allied efforts in the
Second World War to ensure their victory. 
By utilizing media, propaganda to support the war went into full swing
as companies lent their efforts to achieve that end.  They convinced people to buy war bonds as
well as boost morale for the troops.
 
        
             
        
        
        
An exothermic chemical reaction is  change in the chemicals that can never be undone, an exothermic solution is a combination of chemicals 
        
             
        
        
        
Answer:the villi of the intestine
Explanation:like the cristae of the mitochondria which increase the surface area for the production of ATP,the villi of the intestine acts similarly.
In animals, digested food pass from the stomach to the intestine. In the intestine , enzymes acts on the food. Absorption of food takes place there and there are some structures that facilitates it. The walls of the intestine have numerous foldings , alongside the presence of finger like projection called villi. Microvilli are also presence from the cell walls of the intestine . These projections increase the surface area for the absorbing of food .they brush against food in the intestine and promotes absorption of nutrients. 
 
        
             
        
        
        
Answer:
Energy cannot be destroyed but moves from one state to another
Explanation:
In an ecosystem the dependence on energy is one of the main driving forces. Most animals and plants are always growing, changing location and moving and all these functions require energy. The energy after transformation from the sun, is referred to as biomass and the transfer of energy from one organism to another is called a food web. 
The answer is:
D.  Matter and energy can change forms and locations in ecosystems.