In the Dark Quick Check

Question

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Question
Which characteristic is shared by both dark matter and baryonic matter?(1 point)
Responses

They both have been directly observed by scientists.
They both have been directly observed by scientists.

They both interact with each other.
They both interact with each other.

They both have gravity.
They both have gravity.

They both are capable of absorbing light.
They both are capable of absorbing light.
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Answer 1

The characteristic shared by both dark matter and baryonic matter is:

They both have gravity.

While baryonic matter can be directly observed and interacts electromagnetically (including absorption of light), dark matter is inferred from its gravitational effects and has not been directly observed. Therefore, the correct response is that both have gravity.