Answer:
NeanderthalsThese artistic innovators were probably Neanderthals. Dated to 65,000 years ago, the cave paintings and shell beads are the first works of art dated to the time of Neanderthals, and they include the oldest cave art ever found
Explanation:
Which hominids created art? The first human artist on Earth is believed to have drew on a cave wall with red ochre over 65,000 years ago, as a Neanderthal reached out and drew on it. There is no evidence that the modern human is the only species to express itself through art, as is widely believed.
 
        
             
        
        
        
Answer:
c. macula densa
Explanation:
The cells of the macula densa are sensitive to the concentration of sodium chloride in the distal convoluted tubule. They are a part of the nephron.
 
        
             
        
        
        
The answer is b) raccoon!
only 10% of energy is passed to organism from the food.
so the raccoon, which is the highest in the food chain, will have the lowest amount of energy. 
hope this helps!!
        
                    
             
        
        
        
Answer:
The plasma membranebeing the  most necessary component of a cell because it encases and protects the complex chemistry of life within  the cell. A selectively permeable membrane allows only certain substances to enter the cell. This is very important to keep necessary nutrients in and keeping unwanted substances out too
 
        
             
        
        
        
I would say that the Law of Superposition establishes relative dating as between two different sedimentary formations so that the one on top as long as there has been no overturning of beds, would be the younger one ie younger than the formation below it.