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