Which statement is best supported by the information in the
heating curve?
At segment T-U, the substance changes from a liquid to a
gas and does not change temperature.
At segment T-U, the substance changes from a gas to a
liquid and changes temperature.
At segment Q-R, the substance releases heat and
increases in temperature.
At segment Q-R, the substance absorbs heat and
decreases in temperature.

Which one of the following research methods can show cause and effect

Debris produced by mining is called

1. when conducting a test on what kind of music increases the growth of plants, all of the following would fail to meet to fair test standard except (1 point) using different kinds of plants. giving some plants more water than others. exposing the plants to different types of music. using nutrient-rich soil for one and lesser soil for others. 2. engineering uses scientific thinking to solve real-world problems. (1 point) true false 3. what does it mean to test a hypothesis? (1 point) pass a quiz on other scientists’ results analyze only the results from scientific sources not make assumptions about how an experiment will turn out see if the results of an experiment are what the scientist predicted