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Rhett Salazar
Physics
Is not a way that you can communicate with another ariver.
Your horn
Your lights
Eye contact
Mental telepathy
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Cristina
Physics
The proper way to brake in an emergency situation with non-ABS brakes is to: (A) apply threshold braking (B) "pump" the brakes
(C) lock the brakes
(D) All of the above
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Guest
Physics
A species of seabird nests every year on the face of one wall of cliffs on one island. If these birds nest on the ground above the cliffs, they run a high risk of having their eggs eaten by predatory snakes.
There are only about 5,000 suitable nesting sites in the cliffs. And there are about 8,000 seabirds looking to nest. The only other option for these nesting seabirds, would be to nest in the rocks of a neighboring island. But if they do this, they run the risk of losing the flock, and missing out on breeding season.
Which of these is placing a limitation on how large this population of seabirds can grow?
A. the size of the cliff walls
B. the distance to neighboring islands
C. the number of snakes living on land
D. all of these
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Jewel Wong
Physics
If the approximate energy of a photon present in an X-ray is 8.0 * 10-15 joules, what's the frequency of the X-ray? Given: Planck's constant is 6.63 * 10-34 joule·seconds.
(A) 1.2 * 1014 hertz
(B) 1.2 * 1019 hertz
(C) 8.2 * 1018 hertz
(D) 8.3 * 1019 hertz
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Valentin Foster
Physics
Why is messi the best soccer player in the world
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Guest
Physics
A data chrt shows the height of a person on his birthday each year for 10 years what is the dependent variable
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Akira Mckee
Physics
A baking tray is made of metal because its
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Davon Phillips
Physics
A scientist mixes an unknown powder into a beaker of water. He then uses an indicator and finds that the pH of the resulting solution is 8.5. What can he infer from this observation?
The unknown powder was acidic.
The unknown powder decreased the hydrogen ion concentration of the water.
The indicator used can measure only basic solutions.
The powder contains hydrogen ions.
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Arnav Lozano
Physics
Which factors affect the resistance of a material? Check all that apply.
length
currer
thickness
temperature
voltage
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Kianna Miles
Physics
Is the air a good conductor or electricity or a good insulator?
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Angelina
Physics
Which lists only metalloids? arsenic (As), sulfur (S), and polonium (Po) antimony (Sb), tellurium (Te), and gallium (Ga) boron (B), germanium (Ge), and tellurium (Te) polonium (Po), aluminum (Al), and silicon (Si)
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Lili
Physics
3.
A traffic light is suspended by two cables. What
should be the angle between the cables (0) so that the
tension in each cable will be equal to the weight of the
traffic signal light (W=T, = T) ?
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Hugh Pruitt
Physics
Which theory suggests that the moon and the earth formed at the same time from dust and the solar nebula that formed the sun?
A.) impact theory
B.) co formation theory
C.) capture theory
D.) synchronous theory
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Rodney Mason
Physics
If you have a pet that isn't getting nourishment from the food it eats, which organ might
have a problem?
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Leah
Physics
When traveling downhill it takes longer to stop and more blank to change direction?
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