Which of the following statement (s) are true? a. a low 500 mb height indicates denser air below, and more atmosphere and lower pressure above. b. a low 500 mb height indicates denser air below, and less atmosphere and higher pressure above. c. a low 500 mb height indicates denser air below, and less atmosphere and lower pressure above. d. a high 500 mb height indicates denser air below, and less atmosphere and lower pressure above. e. all the statements above are correct

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass

Write a polynomial function with the given zeros x= -1,0,2show your work

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