Changing Theories Discuss how the research in this article shows how new technology and experimental methods can lead to changes in theories.

When someone has an idea about a theory, they are mostly working off of their own opinions and ideas. When you research your theory, you can find out new information that may change your opinion on your theory. When technology and experimental methods are used, theories can be either proven or unproven, therefore changing the writers ideas and opinions.

Explanation:

i just took the test and got it right

C. hazardous waste

Explanation:

The given picture depicts the sign for hazardous waste over the bin.

Hazardous waste is the chemical waste that can be either in the form of gases, solid or liquid is capable of causing damage to the organisms. The waste can be corrosive, reactive, ignitable, toxic and effect of the waste may remain for long and drastic. A hazardous waste should be available in a laboratory so as to prevent accidental fire and explosion, burns and injuries.