Science uses observations of phenomena in order to make interpretations. Which of the following is an observation? a Pressure was applied slowly to fold the rock. b A fold is visible in an outcrop. c Heat was applied to soften the rock. d The fold was created by pressure.

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.

According to your text, should be in the native language of the parents or guardians whenever possible. a. an email b. consent forms c. oral approval d. storybooks loaned out

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f