Answer:
D
Explanation:
Sickle cell disease is not contagious, so you can't catch it from someone else or pass it to another person like a cold or an infection. People with sickle cell disease have it because they inherited two sickle cell genes , one from each parent.
 
        
                    
             
        
        
        
Blood is considered to be a tissue and it is part of the circulatory system.
The human circulatory system functions to transport blood and oxygen from the lungs to the various tissues of the body. The heart pumps the blood throughout the body. The lymphatic system is an extension of the human circulatory system that includes cell-mediated and antibody-mediated immune systems.
 
        
             
        
        
        
Mars mass is 6.4169 x 1023kg . That is slightly more than 10% of the Earth 's mass .Mars is a tiny world in every way when compared to Earth . In our solar system ,Mars is the second smallest planet by mass. Only 
Mercury is smaller .While Mars is a tiny planet , it is the most explored outside
        
             
        
        
        
lesser 
Explanation:
Reykjavik the capital city of Iceland heats its buildings using geothermal energy sources at a cost that is lesser of what it would be if oil were  used. 
In all ramification, the use of geothermal energy sources is far more preferable and better than using fossil fuels like oil. 
- Geothermal energy is energy from within the earth 
- It is natural and renewable source of energy. 
- The cost of product is very low
- It has little to no impact on the environment as well. 
- They are usually found where magma pockets are close to the surface
learn more: 
Renewable source of energy brainly.com/question/2948717
#learnwithBrainly
 
        
             
        
        
        
Answer:
Explanation:
Bacteria capsule contain poly-γ-d-glutamic acid and also possesses antiphagocytic properties .
Gram positive cell wall peptidoglycan.
Fimbriae contain adhesin which make them to attach to a base and counter shear force and obtain food.
Pili contain oligomeric proteins which is hair like structure.
Endospores consists of DNA, ribosomes and dipicolinic acid.
RIBOSOMES consist of ribosomal RNA and proteins.
Plasmid consist of circular DNA.
Plasma membranes consist lipid bilayer.