Answer:
A. They have shorter wavelength then ultraviolet waves. is correct
Alleles. Alleles are the "same" genes, but provide a variation of the intended function.
Answer:
Reasons for failure to continue to use contraception include the following: for some, the risk of producing an unwanted pregnancy adds flavor to the sexual act; some women rationalize their sexual activity, and this usually leads to discontinuation of contraceptive use; failure to change the contraceptive when needs
Explanation: