At an event demonstrating old cannons, four different cannons are fired. The cannon balls used in the cannons are spherical lead balls with different masses. The cannons are fred vertically and the cannonbals are fred from them at exactly the same speed with exactly the same amount of force.
According to Newton's 2nd Law of motion, which cannon ball will reach the greatest height? (DOK 2, AKS 8b)
O A The ball in cannon D
B. The ball in cannon A
C. The ball in cannon B.
D. The ball in cannon C

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