Matt used a camera to take a picture of a rose on a piece of paper. In the picture, the rose appeared to be bright red, and the background appeared to be white. Then Matt placed a blue glass filter over the camera lens and took another picture. In this picture, the rose appeared to be
black, and the background appeared to be blue.

Explain what happened to the light waves to make the appearance of the rose and the appearance of the background different in the two pictures.

Which phrases describe an extrusive rock? check all that apply. fine texture cooled slowly small crystal size found deep underground different, easily observed minerals

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

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.