Guys plz me save me anything just answer this simple question
what are the steps for the scientific method

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?