Answer:
C. None of the above
Explanation:
The Great Filter is the concept propounded based on the fact that, there is no evidence of intelligent  lives in our solar system aside ours who are already inhabiting the earth. This theory implies that, there is 9 steps involved from the starting a Star to its colonization of the universe with the steps known as evolutionary paths.
 
        
             
        
        
        
Answer:
Most fossils are found in sedimentary rocks, those rocks produced by the accumulation of sediment such as sand or mud. Wind and other weathering conditions wash away sediment on land, depositing it in bodies of water. For this reason, fossils of sea creatures are more common than those of land creatures.
Explanation:
 
        
                    
             
        
        
        
Hello There!
Based on my First Aid classes the answer is D. All of the above.
If someone turns unconscious, you'd have to perform CPR and call an emergency service as soon as possible.
Hope This Helps You!
Good Luck :) 
- Hannah ❤
        
             
        
        
        
The log will float on the water because his density is lower than the liquid, so it will stay at the top due to Archimedes' principle.
<span>Archimedes' principle is a physical law that describes the upward force (the vertical thrust) experienced by any body immersed in a fluid (liquid or gas). This force is strongly related to the density of both the fluid and the body.
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You can try the experience at home, by using an object that has a lower density than the water like the sunflower oil, you will see that it will stay at the top of the water too.
        
                    
             
        
        
        
Calcium is few of the main sources for healthy bones, teeth, and muscles.