Answer:
Correct answer is B
Explanation:
I listened in class peeps
Aristotle’s model was similar to Ptolemy’s model because they both believed that: (B). Both models stated that Earth is the center of the system around which other objects orbit.
Meaning of a modelA model can be defined as a three dimensional representation of an idea or theory or belief.
A model can also be said to be a representation of a philosophy or idea put up by an individual that can be used as an example.
In conclusion, Aristotle’s model was similar to Ptolemy’s model because they both believed that: (B). Both models stated that Earth is the center of the system around which other objects orbit.
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You observe that the hair on your head stands up when a charged balloon is brought near without touching your head. Based on this observation, you write down the following question and steps to an experiment.
Can two charged objects be attracted to each other without touching?
Step #1: Bring the charged balloon 10 cm from your head.
Step #2: Charge the balloon by rubbing it against a cloth.
Step #3: Record your observation.
Step #4: Bring the charged balloon 5 cm from your head.
Step #5: Record your observation.
What revision could you make to improve the experiment?
Remove the fifth step, you do not need to make multiple observations in an experiment.
Reverse the first two steps so that you charge the balloon before you bring it close to your head.
Reverse the second and third steps so you record your observation before you charge the balloon.
Swap steps two and four, you do not need to charge the balloon until the end of the experiment.
Answer:
yes it can be attracted without touching The electric force is a non-contact force. Any charged object can exert this force upon other objects - both charged and uncharged objects.
Explanation:
Answer:
The answer is B! (Reverse the first two steps so that you charge the balloon before you bring it close to your head)
Explanation:
I did the exam and got it correct!
Manoa falls drops 153 feet, measured the bottom to be 663 liters per second
Likeke falls drops 17 feet, measured the flow of water at the bottom to be 180 liters per second
Waimea falls drops 52 feet, Measured the flow of water at the bottom to be 332 liters per second
Rank the gravitational potential energy from greatest to least
Answer:
Manoa
waimea
likeke
Explanation:
Identify each type of disturbance
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What are some problems associated with the use of nuclear fission to supply energy needs?
Answer:
It is hard to spilt a nucleus.
possibly the biggest concern among nuclear energy advocates is the environmental impact of uranium as a fuel source. A typical nuclear power plant generates about 20 metric tons of used nuclear fuel per year. The problem is that this spending fuel is highly radioactive and potentially dangerous.
Explanation:
I hope this will help u
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Which of these themes is common to both stories?
the importance of friendship
how unreliable magic is--you can’t count on it
power makes people behave badly
Answer:
uh
Explanation:
uh
Amani wants to know if crushed ice or whole ice melts faster. She puts the whole ice in a bowl on the kitchen counter. She puts the crushed ice in a bowl in the oven. Lastly, she times both bowls of ice to see which melts fastest. Is this a valid experiment? Why or why not?
Yes,
Because she wants to know which melts faster so she puts a bowl of crushed ice in a oven, which in then can melt it. If she turns on the oven light she will be able to understand if it melts.
If she leaves it out on the counter the regular un-crushed ice, she can see if that is also melted faster but this is in fact a valid experiment.
Who was the first person to see cells under the microscope and give them a name?
Answer:
Robert Hooke
Explanation:
If the load exerts a strong downward force, the glue
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What is the difference between nuclear fission and nuclear fusion?
Answer:
Fission is the splitting of a large atom into two or more smaller ones. Fusion is the fusing of two or more lighter atoms into a larger one. Fission reaction does not normally occur in nature.
Explanation:
Quizlet
Wannabe friends
What is the formula for magnesium and chlorine
Why were the Spanish interested in conquering Peru?
Write your response in one to two complete sentences.
The Spanish were interested in conquering Peru because _________________________________________________________________________
Answer:
531–1532 – Pizarro's third voyage to Peru. Spaniards form a bond with the Natives (Huancas, Chankas, Cañaris and Chachapoyas) who were under the oppression of the Inca Empire, and Pizarro includes them among his troops to face the Incas. Atahualpa is captured by Spanish.
Explanation: Is this right ?
if it is please give thanks
Which of the following happens when unbalanced forces act on a object?
A. the object remains stationary
B. the object moves with the same velocity
C. the object moves in the direction of the stronger Force.
D. the object speed and direction of motion remain unchanged.
Also please explain why too please I WILL GIVE BRAINLIEST!
Answer:
C.
Explanation:
The stronger force causes the object to move in the opposite direction, The object keeps the same speed though.
Can I get brainliest. PLEASE!
Answer:
i believe it is c
Explanation:
What type of relationship is pollination of flowers?
Tell which type of relationship it is: mutualism, predation, parasitism, competition, or commensalism. Give details on why.
I think that animals pollinating flowers is an example of....
I know this because.
Answer:
The bee is getting nectar from the flowers which allows it to feed the hive, and in the exchange, the bee carries the pollen and helps reproduce flowers. This is a win-win for the bees and flowers, which is mutualism.
Explanation:
the answer is self explainatory, good luck!
What causes the formation of mountain ranges along the ocean floor?
Sediment from rivers causes added sediments until mountains are formed.
Plate tectonics pulls the ocean floor apart and magma pushes up forming mountains.
Underwater volcanos erupt, creating underwater mountain chains.
Sedimentary rock is forced together forming mountain ranges.
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How does the ocean affect the rate of accumulation of [tex]CO_{2}[/tex] in the atmosphere?
increases it
decreases it
maintains it at a constant rate
Answer:
The ocean is a large CO2 sink because of its large surface area. The CO2 emissions are caused by human and manufacturing activities which some of them are absorbed in the ocean because CO2 is partly soluble in water. Thus, the answer is CO2 is decreased in the process.
CO2 is part of the carbon cycle and as such, moves from the land to the atmosphereby human burning of fossil fuels and forest fires,. But CO2 also moves from the atmosphere into the oceans when when the solubility is right - this is called an ongoing "flux" or movement of CO2 in and out of the oceans. Hence the oceans act as a kind of buffer to ensure that not too much CO2 remains in the atmosphere and hence the greenhouse effect will not get too strong.When the oceans are colder, they can absorb more CO2 out of the atmosphere, and when they warm up, they tend to release it back into the atmosphere. However, global warming is also now transferring heat from the atmosphere to the oceans and so the oceans are less inclined to absorb excess CO2 from the atmosphere. Also, as the oceans absorb excess CO2 from the atmosphere, this tend to make the salinity of the oceans become more acidic.
GOOD LESSONS ❄
Which sentence most accurately describes electrically charged objects?
They are attracted to one other without coming into contact.
They are negatively charged objects that are attracted to each other.
They attract or repel other charged objects without touching them.
They attract other objects after they have been in contact with them.
Answer:
They attract or repel other charged objects without touching them.
Explanation:
Charged objects have electrostatic forces of attraction. They are an example of non-contact forces that is, they exert a push or pull on other objects without touching them.
The surface tension of isopropyl alcohol in air has a value of 22.39 units and
the surface tension of water in air is 72.86 units. Which two statements are
true?
A. Isopropyl alcohol will have a higher boiling point than water
because the forces between the molecules are greater.
B. Isopropyl alcohol will have a lower boiling point than water
because the forces between the molecules are smaller.
c. Isopropyl alcohol will have a more curved meniscus than water
because the forces between the molecules are greater.
D. Isopropyl alcohol will have a flatter meniscus than water because
the forces between the molecules are smaller.
Answer:
B. Isopropyl alcohol will have a lower boiling point than water
because the forces between the molecules are smaller.
D. Isopropyl alcohol will have a flatter meniscus than water because
the forces between the molecules are smaller.
Explanation:
Isopropyl alcohol will have a lower boiling point than water because the forces between the molecules are smaller. Isopropyl alcohol will have a flatter meniscus than water because the forces between the molecules are smaller. Hence, options B and D are correct.
What is surface tension?Surface tension is the force that acts parallel along the surface of a liquid which in turn makes the surface of the liquid behaves like an elastic material.
Surface tension, as the name implies, acts on the surface of a liquid giving it some elastic properties; it is a product of the inherent properties of the molecules of the liquid.
For example, water possesses surface tension which is why when a pin or a needle is gently placed on the surface of the water it floats. Surface tension also accounts for the fact that some insects can walk on water.
Hence, options B and D are correct.
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What is the difference between stressed and bleached coral?
PLEASE I BEG YOU
Answer:
When corals are stressed by changes in conditions such as temperature, light, or nutrients, they expel the symbiotic algae living in their tissues, causing them to turn completely white. Warmer water temperatures can result in coral bleaching.
no. free poijnts ,,,,,,,
Which statement describes the role of consumers in an ecosystem?
A.
Consumers make their own food.
B.
Consumers eat only decomposers.
C.
Consumers provide food for producers.
D.
Consumers provide food for other consumers.
What does it accomplish
Answer:
wait what the question about
Explanation:
An atom contains 3 protons, 3 electrons, and 4 neutrons. Which of the following statements correctly describes the nucleus of this atom?
Answer:
The element is Lithium because it has atomic number of 3
ATOMIC NUMBER=NUMBER OF PROTONS
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which velchie has the greatest acceleration as its enter the highway?
Use the dichotomous key to identify this animal.
Which animal is shown?
an orangutan
a lemur
a gibbon
a chimpanzee
Answer:
A lemur
Explanation:
It is because in the scale if it had a tail it went straight to lemur.
(ZOOM IN TO SEE )plzzzz
Answer:
I think it might be A
Explanation:
I can barely read the options
Answer:
A
Explanation:
Newton's third law is "For every action, there is an equal and opposite reaction" In the case of this question, if an object is exerting a force that the second object will exert the same force in the opposite direction.
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Analyze the forces acting on the crate shown in the diagram. Explain why the crate will not move in the direction of the applied force. (Fapp.)
The crate will not move in the direction of the applied force because in the image there are two forces.
What is force ?A force is an influence that has the power to alter an object's motion. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.
Force is used to describe a body's tendency to modify or change its state as a result of an external cause. When force is applied, the body can also alter its size, shape, and direction.
Contact forces and act at a distance forces are the two different types of forces. Your daily use of force is evident. Basically, push and pull are forces. You exert force on an object when you push against it or pull against it.
Thus, The crate will not move in the direction of the applied force because in the image there are two forces.
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Where are the most biodiverse ecosystems found on Earth?
How do you know this?
Identify the molecule that is a carbohydrate.
propylene
methane
poly-saccharide
lipid
NEED HELP ASAP!!!
Which best describes the soils found in the southeastern United States?
frozen
sandy
weathered
young
Answer: Weathered
Explanation:
imagine that you live in a city near a large river you are part of a group that is studying the environmental impact of switching your City from fossil fuels to hydropower
which two issues are possible consequences that you should consider
A: harm to fish and other organisms in the river
B: danger to birds that live in your region
C: decrease in carbon dioxide production
D: toxic waste created by nuclear reactions
Answer:
C: decrease in carbon dioxide production A: harm to fish and other organisms in the river
Explanation: