What are three ways that your body can defend itself from pathogens

Which principle described by psychologist martin seligman fosters an overall positive attitude by using thinking and behavior techniques to resist negativity?

Some plants have reproductive structures that them reproduce using natural forces or animals. how does the reproductive structure shown here ensure the reproductive success of plants?

Which short-term goal might prompt someone to seek for mental and emotional challenges? saving for retirement buying a house in 10 years reducing conflict with family owning a company eventually