Which of the following is an example of an experimental scientific investigation? noting the color of a solution when heated. recording the sound of a glass breaking. noting the ph of a solution on a digital meter. placing test tubes in an ice bath for 15 minutes.

Noting the color of a solution when heated

Explanation:

Experimental scientific investigation is a process to get answer of question scientifically. This process makes uses of collecting observation and identifying the process in physical word.

Thus, all the option given are a part of scientific observation but only Noting the color of a solution when heated explains the experimental scientific investigation.

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide