15. the main reason that family and friends are frequent targets of aggression is that a. they cause the most frustration. b. frustration-producing obstacles are often unclear. c. they're convenient. d. as obstacles, they're unremovable.

43. based on what you know about constitutional provisions regarding individual voting rights, which of the following is true? a the constitution places no restriction on the states' power to set voting qualifications. b. the constitution places eight federal restrictions on the states' power to set voting qualifications. c. the federal government cannot restrict the states' power to set voting qualifications except for matters of age and race. d. the constitution places five federal restrictions on the states' power to set voting qualifications.

Why is this statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive. a. it is a well-known fact. b. it is a proven theory. c. it is not falsifiable. d. it is difficult to test.

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change