The is known as an ecosystem engineer because it digs a burrow and uses it as a home. Over 300 species of animals will also use it. Sometimes other animals share the home with it. That is known as commensal species. (Hint...watch video)

An experimenter is examining the relationship between age and self-disclosure. a large sample of participants that are 25 to 35 years old and participants that are 65 to 75 years old are compared, and significant differences are found with younger participants disclosing much more than older people. the researcher reports an effect size of .34. what does this mean

Why would be a good national slogan that people could identify with and rally behind

What was one goal of the u.s. invasion of iraq? a. overthrow a dictator b. overthrow the taliban c. hunt down and destroy a terrorist network d. liberating a nation from communism