The diagrams show objects' gravitational pull toward each other.
Which statement describes the relations
diagram X and Y?
Х
O Gravity attracts only larger objects toward one
another
O Gravity attracts larger objects only if they are close to
one another,
Of the masses of the objects increase, then the force
between them also increases.
Of distance between the objects increases, then the
amount of force also increases.
Y
Z

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