Help :( Write an essay to explain how the articles "Polio: The Worst Disease in U. S. History" and "Terrible Typhoid Epidemics" help readers understand the threat of epidemics, Including how they spread and how they are contained. Use evidence from each from text to support your answer.​

When creating a graph, the goes on the x axis and the goes on the y axis. a. dependent variable, independent variable b. experimental group, control group c. independent variable, dependent variable d. control group, experimental group

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.