Which Question Can Be Directly Answered Through Controlled Experiments

question 14

Multiple Choice

Which question can be directly answered through controlled experiments?

• A) Are bees more attracted to red roses than to yellow roses?
• B) Are red roses more beautiful than yellow roses?
• C) Did an asteroid hitting Earth cause the mass extinction of dinosaurs?
• D) When did the first life forms appear on Earth?
• E) Is the increase in the severity of storms being caused by climate change?

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Definitions:

Sculpted Figure

A three-dimensional artistic representation of a person or deity, created by sculpting materials such as stone, metal, or clay.

Glazier

A glassworker.

Cames

Thin metal strips, traditionally lead, used to join pieces of glass together in the creation of stained glass windows and art.

Optical Isolator Circuit

A component that uses light to transfer an electrical signal between two isolated circuits, preventing high voltages from affecting the system receiving the signal.