A higher population density, faster transmission rate, and longer infectious period each cause a disease like influenza to spread to more people. Which of the following statements correctly explain why?In Check all that apply: a. At high densities, infected individuals encountrr more individuals who are also infected. b. At high transmission rates, an infected-susceptible encounter is more likely to result in an infection c. With long recovery, an infected individual is contagious longer and can infect more susceptibles.

Vegetation that grows along the floors of tropical and temperate forests is called undergrowth. how is the undergrowth of a tropical rain forest most likely to differ from the undergrowth of a temperate forest? a. a tropical rain forest's undergrowth most likely experiences periods of dormancy during colder weather. b. a tropical rain forest's undergrowth most likely experiences periods of dormancy during rainy weather. c. the undergrowth of a tropical rain forest most likely requires less sunlight. d. the undergrowth of a tropical rain forest most likely requires more sunlight.

How are rocks that cooled within magma chambers found on earth’s surface today? they are pushed up by magma under earth’s surface. they are revealed by erosion of earth’s surface over time. they are pushed to earth’s surface because of their larger size. they are revealed at earth’s surface due to their low density.

Based on the results of this study, what questions remain unanswered? how can these questions guide future research