24. A possible answer to a question or problem is called a hypothesis e quantitative b. observation d. inference

25. When a researcher listens to the sounds of the whale, he/she is a interpreting data b. drawing conclusion c making observations d. making a hypothesis

26. Which type of data gathered in an experiment is considered to be an exact presentation in numeric form? a verbal data b. qualitative data c.descriptive data d quantitative data

27. What is the classification carbon dioxide as a pure substance ? a compound c. mixture b. element d. solution

28. Which of the following is a general characteristic of a base? a bitter b. salty c.sour d. sweet

29. What is represented by letters found on each box of the Periodic Table? a. Atomic number b. chemical symbol c density d. mass number

30. In order to come up with the best hypothesis, it must be a experimental b. proven comect a observable d. testable 3 V​