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devlian [24]
3 years ago
9

How does lack of friction affect the energy of a roller coaster system?

Biology
2 answers:
PilotLPTM [1.2K]3 years ago
8 0

Answer:friction is a force that opposes motion and significantly slows the cars as they move on the track. While it is easy to believe that friction is bad for the ride, it is one of the forces engineers consider in ensuring passengers have a safe ride.

iragen [17]3 years ago
3 0

friction is a force that opposes motion and significantly slows the cars as they move on the track. While it is easy to believe that friction is bad for the ride, it is one of the forces engineers consider in ensuring passengers have a safe ride.

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Answer:

See explanation

Explanation:

Fossil records contain an extensive detail of the evolution of various species on earth which have been preserved in the remains of these organisms or imprints that organisms that existed long ago must have left  in sedimentary rocks.

Fossil records basically tell us about the past. They tell us about the species that once existed on earth. They also tell us how long these species existed and how the were related to other species.

This information help us to work out how these organisms lived and the environment where they lived.

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Answer:

TRUE

Explanation:

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The Eocene Epoche coincides with the form of primates which are placental mammals.

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The main characters of placental mammals contain large body,bigger brain that appear at that time from the fossil record.

True primates were evolve in 55 million years ago,at the beginning of eocene epoch.

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The fossil record of primate that were found contain stereoscopic vision.

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