I need help here is the question and the choices

Long term exposure to waves can cause sunburns and skin cancer.

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring