What's the first step for revising a paragraph with run-on sentences?

47. a student is frightened by a loud noise, which results in a hormone being released into the blood. the hormone causes the student's heart to beat rapidly. the two systems that work together to cause this reaction are the endo- crine system that secretes the hormone and the (1) nervous system (3) excretory system (2) reproductive system (4) digestive system

These two elements threaten ecosystem biodiversity.

You will submit a memoir of 500–750 words. your memoir must be about a personal experience that is important because of the reasons you acted, the actions you chose, or the consequences of your actions or choices. before you submit your memoir, make sure you • wrote a memoir that conveys meaning or emotion. • used first-person point of view. • included dialogue. • used descriptive language. • used chronological order. • wrote a conclusion that reflects on what you learned or why these events were important. before submitting your memoir, review the rubric to ensure you have done your best work.