Which statements describe characteristics of pseudoscience? Check all that apply. Pseudoscience is often based only on opinions. Pseudoscience is based on objective observations. Pseudoscience requires systematic experiments. Pseudoscience often involves explanations of beliefs. Pseudoscience includes subjective ideas. Pseudoscience is cyclical and changes based on new data. PLEASE ANSWER QUICK IM IN A MIDDLE OF A TEST!!

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.