Which of the following is a natural event that is caused by the gravitational attraction between the Earth, moon, and sun.

O weather disruptions due to El Niño

O the rise and fall of ocean tides
Uh
O moon phases

O the water cycle

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b

The way individuals think, believe, and behave defines their: a. intellectual wellness b. personality c. self-esteem d. self-actualization

Mount saint helen the great lakes and death valley are physical features of the earth which scientific term describes these features