A chemical reaction occurs. Which of the following would indicate that energy is transformed during the reaction?
D.all of these
        
             
        
        
        
Hold on I can help you with this it's gonna take me maybe 10-20 min
        
                    
             
        
        
        
Answer:
<em>The answer is </em><em>A</em>
Explanation:
<em>Because each part of Earth does have its natural resources.</em>
<em>Not all the places have the exact same resources to make medicine for example they have to adapt to their surroundings and make the most out of it, or if they have the option they could import some ingredients for the medicine.</em>
 <em>So basically The answer is option A each place has different kinds of resources and advantages.</em>
<u><em>Hope I Helped</em></u>
 
        
             
        
        
        
An allele. It’s a variant of a cell.
        
             
        
        
        
The water would freeze across the surface of the lake, blocking the dissolving of oxygen and nutrients. <span>Water is actually less dense when frozen, which is why ice cubes and ice bergs all float. This is also why you can ice skate on a lake if the ice gets thick enough on the surface. Many organisms that live in freezing lakes have special adaptations which help them survive.</span>