Question

At one time, most people believed that the Universe was static, meaning it did not change. When larger and better telescopes were invented in the early 1900s, however, it was discovered that light from objects in space shifted toward longer wavelengths. Scientists concluded that only an expanding Universe could explain this shift. Which of the following statements is supported by this example?(1 point)
Responses

The theory of the expanding Universe cannot change, even if new evidence arises.
The theory of the expanding Universe cannot change, even if new evidence arises.

Scientific knowledge can change when new evidence or interpretations arise.
Scientific knowledge can change when new evidence or interpretations arise.

The principle of the expanding Universe is a scientific law.
The principle of the expanding Universe is a scientific law.

Once a scientific theory has been accepted, it can never change.

Answer 1

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Question
The image below shows numerous volcanic mountains in the Pacific Northwest. What is the most likely cause of the volcanic and earthquake activity in this region? (1 point)
Responses

rising and falling tides in the ocean
rising and falling tides in the ocean

random abnormal weather occurrences
random abnormal weather occurrences

solar and lunar variations
solar and lunar variations

collision of tectonic plates