Because many people don't know enough about sun damage to protect themselves from developing skin cancer.
The correct option is B.
Conductive hearing loss occurs when the sound waves in the ear are not been transmitted effectively to the inner ear due to some interference in the external canal. This type of hearing loss may occur in conjunction with other type of hearing loss.<span />
Answer: promoters
Explanation:
Promoters are DNA sequences that direct RNA polymerase to the initiation site. Promoter sequences are simply DNA sequences that helps in defining where the gene transcription by RNA polymerase will start.
Promoter sequences are located directly upstream and are an important part of the expression vectors as the binding of DNA to the RNA polymeras are being controlled by them.