If there were no predators they would overpopulate (like us humans have). It would also mean the things that were once predators would die off, leaving only the producers and primary consumers to run the world (so pretty much the vegans/vegetarians and anything that doesn't eat meat, as well as plants).
Explanation:
The most destructive disease brought by Europeans was smallpox. The first well-documented smallpox epidemic happened in 1518. The Lakota Indians called the disease the running face sickness. Smallpox was lethal to many Native Americans, bringing sweeping epidemics and affecting the same tribes repeatedly.
Answer:
Conduct a second survey
Explanation:
Mean age is the average age in a particular group of people. It is used in statistics to compare a group of people with another one.
The purpose of the mentioned survey was to compare the level of relationship satisfaction between married and non-married couples. For the survey to be valid, the average (mean) age in these two groups should be the same. People behave differently at different stages in their lives, some may be satisfied with their relationship at 23 and dissatisfied at 30. The age gap between the two groups here is to great to reach any plausible conclusions. You should conduct a second survey with the same or similar age groups.
An example of public policy that offers incentives to get citizens to behave is arresting people who sell or use drugs.
<h3>What is public policy?</h3>
Public policy refers to a way in which government resolve the needs of its citizens as written in the constitution.
The aim of public policy is to ensure citizens are well catered for so that they can have better life in the society.
Hence, an example of public policy that offers incentives to get citizens to behave is arresting people who sell or use drugs.
Learn more about public policy here : brainly.com/question/783857
