The Seven Sisters, seven stars located more than 400 light-years away in the Taurus constellation can be seen here with Venus and another constellation, Orion. The seven stars stay grouped together but seem to move, like the planet Venus. Why do stars seem to move like planets in the night sky? A)Both the stars and the planets are orbiting around the Earth.

B)The night sky rotates around the planets in our solar system.

C)They seem to move because they are so far away and we cannot see exactly what happens.

D)Stars seem to move because Earth is rotating on its axis; planets do move around the Sun.

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