Amanda is doing a report for her earth science class about the four seasons. which of the following would be an effective scientific model to incorporate in her project?

a.
a calendar indicating the first days of autumn, winter, spring, and summer
b.
four earth models, each with a different tilt to represent the earth’s position relative to the sun, lined up in order of season
c.
a poster board with pictures of weather characteristic of the four seasons
d.
a bar graph indicating average high and low temperatures for amanda’s area in the autumn, winter, spring, and summer

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