Which of the following best describes what happens to water molecules after they enter the atmosphere through the process of evaporation?

they will cool and form dew, clouds, or fog through condensation.
they will combine to form runoff and flow into rivers, lakes, and oceans.
they will fall to earth as precipitation in the form of rain, sleet, or snow.
they will undergo transpiration and become water vapor.

Which of the following statements is correct in hour our immune system responds to a potential pathogen? a. the adapted immune system will call on the innate immune system to destroy the pathogen. b. b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c. the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. d. the t-cells in the adapted immune systems are the first to recognize the pathogen vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a. antigen, antibody b. antibody, antigen c. antibody, antibiotic d. antibiotic, antibody