select the correct text in the passage. which question cannot be tested with a scientific investigation…

select the correct text in the passage. which question cannot be tested with a scientific investigation? adrian is a researcher who works in a lab. he decides to perform an experiment to understand the side effects and benefits of drinking tea. he puts forth some questions about the experiment. they include, do people who drink tea have a higher risk of brain illnesses than non - tea drinkers? and do people who drink tea stay more alert than non - tea drinkers? he also proposes a question, are people who drink tea happier than people who dont drink tea?

select the correct text in the passage. which question cannot be tested with a scientific investigation? adrian is a researcher who works in a lab. he decides to perform an experiment to understand the side effects and benefits of drinking tea. he puts forth some questions about the experiment. they include, do people who drink tea have a higher risk of brain illnesses than non - tea drinkers? and do people who drink tea stay more alert than non - tea drinkers? he also proposes a question, are people who drink tea happier than people who dont drink tea?

Answer

Answer: Are people who drink tea happier than people who don't drink tea?

Brief Explanation: Happiness is a subjective emotion difficult to objectively measure and test in a scientific investigation compared to physical - related effects like brain illness risk or alertness.