Q: Answer the question

Which tool is most responsible for preventing future pandemics of smallpox?

A: worldwide vaccination for smallpox

Q: Answer the question

The population of which of the following 26 organisms would most likely decline if small animals like rats, rabbits, and snakes were eliminated from an ecosystem?

A: hawks

Q: Answer the question

Scientists recorded the hourly temperature at a weather station for the month of July and want to quickly measure a trend over time in temperature changes. Which of these formats would be the most appropriate representation of the temperature data to quickly measure any trend?

A:
line graph