Answer:
Two key adaptations they have are the ability to survive in waterlogged and anoxic (no oxygen) soil, and the ability to tolerate brackish waters. Some mangroves remove salt from brackish estuarine waters through ultra-filtration in their roots.
Explanation:
Sorry I couldn’t do three only to but I hope this still helps you.
 
        
             
        
        
        
The correct answer is D.
Girls in general tend to spend more time with friends. This isn't to say that boys don't spend a lot of time with their friends but girls tend to engage more in their social relationships, whereas boys spend more time in competitive sports, more time in clubs and less time engaging in social relationships. 
 
        
             
        
        
        
Oxygen and carbon dioxide travels to and from tiny air sacs in the lungs, through the walls of the capillaries, into the blood. Blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. Blood leaves the heart through the aortic valve, into the aorta and to the body.
        
                    
             
        
        
        
The part of the brain that distinguishes the human qualities that we have over animals is the frontal lobe. <span>It </span><span>is the part of the brain that controls important cognitive skills in humans, such as emotional expression, problem solving, memory, language, judgment, and sexual behavior. It is, in essence, the “control panel” of our personality and our ability to communicate.</span>