Question

practice it! which of the following are examples of how scientific knowledge has changed? if a medication does not help some people, it should not be used for anyone. food that used to be considered healthy is now recognized as unhealthy. pluto is no longer considered a planet. microscopes helped scientists to prove that living things are made of cells. the earth is no longer considered the center of the solar system.

Explanation:

To determine which are examples of scientific knowledge change:

• "If a medication does not help some people, it should not be used for anyone" is about medical ethics/usage, not knowledge change.
• "Food that used to be considered healthy is now recognized as unhealthy" shows a shift in scientific understanding of nutrition.
• "Pluto is no longer considered a planet" reflects a change in astronomical classification.
• "Microscopes helped scientists to prove that living things are made of cells" shows how technology advanced scientific knowledge (cell theory).
• "The Earth is no longer considered the center of the solar system" is a shift from geocentric to heliocentric model.

So the correct options (to check) are:

• Food that used to be considered healthy is now recognized as unhealthy.
• Pluto is no longer considered a planet.
• Microscopes helped scientists to prove that living things are made of cells.
• The Earth is no longer considered the center of the solar system.

Answer:

• Food that used to be considered healthy is now recognized as unhealthy.
• Pluto is no longer considered a planet.
• Microscopes helped scientists to prove that living things are made of cells.
• The Earth is no longer considered the center of the solar system.