Anyone know how to make sum quick ca

Explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?

Which of the following statements describes the lysogenic cycle of lambda (λ) phage? a) after infection, the viral genes immediately turn the host cell into a lambda-producing factory, and the host cell then lyses. b) most of the prophage genes are activated by the product of a particular prophage gene. c) the phage genome replicates along with the host genome. d) the phage dna is copied and exits the cell as a phage.

Scientists believe that differences in cause hot, plastic-like rock in the asthenosphere to rise toward earth's surface. a. density c. weight b. magnetism d. composition select the best answer from the choices provided