Chapter 3:
1. Her aunt created a doll out of towels and sowed eyes on the doll.
2. Dr.Alexander Graham Bell was a Scottish born scientist, inventor, engineer, and innovator who was credited with patenting the first practical telephone.
Chapter 4:
1. Because she is blind and deaf.
3. She lacks remorse/sympathy because she is blind and deaf and does not sense the environment.
4. When Miss.Sullivan arrived, Helen was taught to communicate through finger play. She was often frustrated and angry when she could not communicate.
        
             
        
        
        
Answer:
The correct representation is attached with the explanation.
Explanation:
In this representation of the surface tension, blue arrows between green water molecules are the possible molecules that can be used as the location for forming hydrogen bonds by a single molecule. Surface tension is the tendency of a liquid surface strectch to neighbouring molecules or ability to shrink in minimum surface area possible. Hydrogen bonds is an intermolecular force or interaction responsible for the surface are of liquide molecules. This bonds is towards every direction where the similar molecule present.
 
        
             
        
        
        
The answer is letter B. because he is interested in designing machines that help people with disabilities. Becoming a biomedical engineer is one of his choice and probably he was inspired by people with disabilities because of his passion in writing also. In order for him to help these people, he decided to become a biomedical engineer to create technologies to lessen the burden of these people.
        
                    
             
        
        
        
Answer:
A parasite is an organism that lives within or on a host. The host is another organism. The parasite uses the host's resources to fuel its life cycle. It uses the host's resources to maintain itself.
Explanation:
 
        
             
        
        
        
Answer: Option B.
Breast milk lack Vitamin D.
Explanation:
Breast milk is the liquid substance given to infants by the mother which is secreted by the mammary gland or breast.
Breast milk contain a lot of nutrients needed for growth and development of infants. Breast milk contains proteins( human milk contain two types of protein, whey and caesin) carbohydrates, fats, minerals and vitamins except vitamin D, the bady will need additional source of vitamin D. Breast milk make the baby healthy, it prevent sickness and allegies, it supply the necessary nutrients the baby needs.