Answer:
B
Explanation:
Permeability is the property of a cell membrane that allows materials to pass through.
 
        
             
        
        
        
Answer:
The correct answer is explained below:
Explanation:
- Flooding and intrusion of salt water in the low lying areas can adversely affect human life. This can happen in the following ways:
- Flooding can cause many people to die due to drowning in the flood water.
- Many people lose their habitat and all their belongings due to the entry of water into the settlements having only the ground floors. These people need to rehabilitated to safer regions.
- The saline water percolates through the ground and mixes with the fresh water present in the water table, thereby making them saline and non-consumable.
- People have to face the dearth of food, drinking water, clothes and electricity until rescue operations are sent.
- Increased chance of transmission of water-communicable or water-borne diseases like diarrhoea.
 
        
                    
             
        
        
        
I think the correct answer from the choices listed above is option D. Modern fishing practices threaten biodiversity mainly through the removal of community food supplies. When people remove a significant amount of fish, portions of the food web are disturbed and can affect a certain ecosystem.
        
             
        
        
        
Answer:
a gene present on the Y chromosome that triggers male development
Explanation:
 
        
                    
             
        
        
        
The proteins have 3 limbs one is brown one is purple and the other is green. Phenotypes are the are the contrasting color there for they make the organism work.