Your class is performing an experiment which involves dropping an object from a great height. Your job is to
minimize the damage to the object. Use your knowledge of momentum, force, and collision time to complete the
sentence, using the drop-down menus.
While the change in
will remain the same during a collision, the force needed to bring an object to a
stop can be
if the time of the collision is

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