Question 1 (2 points) Read the paragraph from the section "How Scientists Listen To Sounds Underwater."
The scientists then analyzed these recordings. They noted the loss of sound over distances and the levels of background noise.
They think that without background noise, rasps from large lobsters could be heard up to 3 kilometers (1.9 miles) away.
However, experts are still not sure if the lobsters' own hearing is good enough to detect these sounds across long distances.

Identify the type of synthetic material used in each object

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Mass (kg) force (n) 5 25 10 50 15 75 20 100 a student was trying to find the relationship between mass and force. he placed four different masses on a table and pulled them using a spring scale. the table shows the different masses used in the experiment and the force required to pull each mass. the student concluded that more force was required to pull heavier objects. what comment would you make regarding his conclusion? a) no clear relation can be observed between mass and force from the data. b) there is a direct proportion between the mass and force listed in the table. c) gravity should have been taken into account while performing the experiment. d) there is an inverse proportion between the mass and force listed in the table.