Es - matt and brad own a ice cream store and they believe they have the best ice cream in town. they invite ten of their closest
friends to their ice cream shop, give them free ice cream, and then ask for their opinions. brad and matt encouraged their friends
to try other ice cream shops, but they told them that they would have to buy the ice cream there. after a week, matt and brad
took all the participants out to dinner and 90% of the 'tasters' voted matt and brad's shop to be the best in town.
which of these would not lead to bias in this experiment?

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

d. groundwater flows through the subsoil and deposits minerals.

explanation:

the sun shines white and black light to our planet. the white light has all the colors in it. in our upper atmosphere, we have dust particles and oxygen molecules. the white light meaning all of the colors in a rainbow shines through the upper levels of the atmopshere and the blue light scatters across the entire planet. that is why our sky is blue.