What is the cause?

What is the effect?

What would be the most likely CAUSE of someone laughing?

Forest fires sometimes begin through natural events. Very little rainfall and dry forests are ideal situations for fires to start. All it takes is a lightning strike, sparking a fire that can destroy the entire forest. Often, forest fires are so large that firefighters can't stop them, and these fires sometimes threaten homes and businesses. Then, people are forced to flee the fire and hope that their property isn't destroyed. Based on this passage, what is the initial cause of some forest fires?

Because Amelia was determined to be a famous actor one day, she auditioned for every school play, signed up for after-school acting classes, and subscribed to a special magazine for actors. What causes Amelia to audition for school plays, sign up for acting classes, and subscribe to an acting magazine?

What would be a possible EFFECT of a student not studying for a test?

Forest fires sometimes begin through natural events. Very little rainfall and dry forests are ideal situations for fires to start. All it takes is a lightning strike, sparking a fire that can destroy the entire forest. Often, forest fires are so large that firefighters can't stop them, and these fires sometimes threaten homes and businesses. Then, people are forced to flee the fire and hope that their property isn't destroyed. Based on this passage, what is the initial cause of some forest fires?

Forest fires sometimes begin through natural events. Very little rainfall and dry forests are ideal situations for fires to start. All it takes is a lightning strike, sparking a fire that can destroy the entire forest. Often, forest fires are so large that firefighters can't stop them, and these fires sometimes threaten homes and businesses. Then, people are forced to flee the fire and hope that their property isn't destroyed. Based on this passage, what is the initial cause of some forest fires?