Direction: Everything starts with an observation and what perceive with your senses. study the the picture below and write 2 (two) possible good questions or problems for a scientific investigation ​

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

Asimple electrochemical cell contains two electrodes.

What is the volume of 2400kg of gasoline (petrol) if the density of petrol is 0.7g/km3