Answer:
uranium 
Explanation:
nuclear power plants are powered by radio active substances and the only option that is radio active would be uranium
 
        
             
        
        
        
Abiotic factors are the non-living parts of the environment that can often have a major influence on living organisms. Abiotic factors include water, sunlight, oxygen, soil and temperature.
Hope this helps your question. 
 
        
             
        
        
        
Answer:
RBCs contain hemoglobin (pronounced: HEE-muh-glow-bin), a protein that carries oxygen. Blood gets its bright red color when hemoglobin picks up oxygen in the lungs. As the blood travels through the body, the hemoglobin releases oxygen to the different body parts.
Explanation:
Hope this helps. 
 
        
             
        
        
        
Answer: p2 + 2pq + q2 = 1
p2 = homozygous dominant gene
2pq = heterozygous gene
q2 = homozygous recessive gene
 
        
             
        
        
        
The Earth was first considered habitable when we discovered that it was Microbial organisms that started the process. I would go with D.