How do stars make energy

Answers

Answer 1

Answer:

nuclear fusion

Explanation:

atoms of hydrogen are ripped apart and fuse to form helium which release energy

Answer 2

Answer:

Energy is produced in a star's center, or core, where pressures are enormous and temperatures reach 27 million°F (15 million°C). This causes nuclear fusion—atoms of hydrogen are ripped apart and fuse (join) to form helium. These reactions release vast amounts of energy, which makes the star shine.


Related Questions

Create your own real world example of how the application of they scientific discovery has help create a new technology

Answers

example : microscope, it’s depended on the scientific knowledge of light and lenses

Scientific discovery has helped create new technology which is pretty evident from the different technological products we are using in our day-to-day life such as mobile phones, computers, nuclear power plants, and other technological advancements.

What is science?

Science is the methodical, empirically-based pursuit and application of knowledge and understanding of the natural and social worlds.

A method of learning about the world is science. Science allows people to participate in the creation of new knowledge as well as use that knowledge to further their goals. It is both a process, a product, and an institution.

The various technical items we use in our daily lives, such as mobile phones, computers, nuclear power plants, and other technological breakthroughs, are very strong evidence that scientific research has contributed to the creation of new technology.

Thus, by the above-mentioned example, we can say that scientific discovery has helped create new technology.

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Please help! It has to deal with Newton's 3rd law! 30 points! and if right brainliest!

Please help! It has to deal with Newton's 3rd law! 30 points! and if right brainliest!

Answers

Answer:

Newton's Third Law

His third law states that for every action (force) in nature there is an equal and opposite reaction

Explanation:

i think the answer is b :)

Do nutrients cause seagrass to grow more in this area? If so, are both nitrogen and phosphorus equally important? Explain your answer.

Answers

Seagrasses are a vital part of the marine ecosystem..

Seagrasses are submerged flowering plants found in shallow marine waters, such as bays and lagoons and along the continental shelf in the Gulf of Mexico. A vital part of the marine ecosystem due to their productivity level, seagrasses provide food, habitat, and nursery areas for numerous vertebrate and invertebrate species. The vast biodiversity and sensitivity to changes in water quality inherent in seagrass communities makes seagrasses an important species to help determine the overall health of coastal ecosystems. Seagrasses perform numerous functions:

Stabilizing the sea bottom

Providing food and habitat for other marine organisms

Maintaining water quality

Supporting local economies

help me pls i need the answer

help me pls i need the answer

Answers

The answer is position 3 because the water is dence and it won’t go that far
It’s either one or three

Discuss one component of your school's recycling system that could be automated and predict the economic impact.

Answers

One component of my school's recycling system that could be automated is the sorting of recyclables. Currently, the school relies on students and staff to sort recyclables into the appropriate bins, which can be time-consuming and may result in contamination if materials are not sorted properly.

Automating the sorting process with a machine or conveyor belt system could improve the efficiency and accuracy of the recycling system. It could also potentially reduce labor costs associated with manual sorting.

The economic impact of automating the sorting process would depend on the initial cost of the equipment and any associated installation or maintenance costs. However, over time, the improved efficiency and accuracy of the system could result in cost savings for the school. Additionally, the increased efficiency of the system could potentially lead to increased recycling rates, which could result in cost savings for waste disposal and potentially generate revenue through the sale of recycled materials.

Answer:

Our school has color coded virtual trash cans. For example, a trash can for only paper will only accept paper items, if the item put inside is not paper, it will litter it out and all students have cleaning duties throughout the week so even if you or someone litters you’ll probably have to clean it up at some point anyways. I honestly think it’s very cool. (i wish this was true smh).

This I do tomorrow help

This I do tomorrow help

Answers

Answer:

Windy weather/ stormy weather

Explanation:

Cold strong breeze windy stormy

PLEASE HELP ASAP
How are force and velocity related? Give evidence to support your answer.

Answers

It states that the time rate of change of the velocity (directed speed), or acceleration, , is directly proportional to the force F and inversely proportional to the mass m of the body; i.e., a = F / m or F = ma; the larger the force, the larger the acceleration (rate of change of velocity); the larger the mass, the smaller the acceleration.
It states that the time rate of change of the velocity (directed speed), or acceleration, , is directly proportional to the force F and inversely proportional to the mass m of the body.

How does the agricultural activity most likely affect the surface water of the area?

Answers

Answer:

Agriculture has been the cause of significant modification of landscapes throughout the world. Tillage of land changes the infiltration and runoff characteristics of the land surface, which affects recharge to ground water, delivery of water and sediment to surface-water bodies, and evapotranspiration.

Explanation:

Since people throw away things like trash and some oil and other polluting stuff it polluts the ocean

Options: Power, energy, time
_____ is the rate of _____ it takes to use a certain amount of _____

Answers

Answer:

power is the rate of time it takes to use a certain amount of energy

Explanation:

i think,, dont take my word for it tho.

sorry if its wrong :'(

Power is the rate of time it takes to use a certain amount of energy

Science
(Electromagnetic waves)
Describe what happens when each type of the 7 waves encounters our planet?

Answers

when a light wave encounters an object, they are either transmitted,reflected,absorbed,refracted,diffracted, or scattered depending on the wave
Light waves across the electromagnetic spectrum behave in similar ways. When a light wave encounters an object, they are either transmitted, reflected, absorbed, refracted, polarized, diffracted, or scattered depending on the composition of the object and the wavelength of the light.

rube goldberg machine ideas closing a fridge door

Answers

Here are a few ideas for a Rube Goldberg machine that closes a fridge door:

A marble rolls down a ramp and hits a small lever.

The lever activates a toy car that rolls down a track and hits a domino.

The domino falls and triggers a chain reaction that results in a weight falling onto a lever.

The lever pulls a string that is attached to a door handle.

The door handle turns and the fridge door closes.

Answer:

A marble rolls down a ramp and hits a small lever.

Students are testing the ability of a device to prevent the transfer of thermal energy. They conduct the test by placing a container of heated water inside the container. The most useful data for testing the ability of the device to prevent the flow of energy would be which of the following?
A. The density, in grams per cubic centimeter, or the materials used to build the device.
B. The volume, in cubic centimeters, of empty space inside the container
C. The volume, in milliliters, of hot water in the container placed inside the device
D. The change in the temperature, in degrees Celsius, of the water over one hour

Answers

Answer:

D.

Explanation:

Answer:

i think its D?

Explanation:

im not sure though

How has the car affected the way people live? Give three ways

Answers

1. Cars enabled people to travel and relocate more readily.

2. The automobiles (cars) gave people access to jobs, places to live, and services.

3. Being able to travel from one to place to another in just a matter of minutes.
1. You can get places faster than ever before.
2. companies, like Amazon can deliver packages by car.
3. You can easily listen to music or de stress while in the car.
that 3rd is bad but the other two are good. :)

In this activity, you modeled the Sun–Earth–Moon system. If you removed one object from this system model, would the model still explain the changes to the Moon’s appearance?

Answers

The correct answer is NO because the moon appearance is relatively base on the positioning of Sun - Earth - Moon

What is the nature of Moon ?

A moon is an opaque object. It does not give or illuminate light on its own, It reflects light from from the sun to the earth. The appearances of moon are;

waxing crescentwaxing gibbouswaning crescentwaning gibbous

In this activity, if you modeled the Sun–Earth–Moon system and you remove one object from this system model, would the model still explain the changes to the Moon’s appearance?

The answer is capital NO.

The reason is simply because the moon appearance is relatively base on the positioning of Sun - Earth - Moon relationship. That is, the moon appearances of waxing crescent, waxing gibbous, waning crescent and waning gibbous, all depend on the position of the Sun, Moon and the earth.

Therefore, If you removed one object from this system model, the model cannot explain the changes to the Moon’s appearance again.

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Answer: I believe the answer would be no, however I’m not 100% sure at all

What two gases in the atmosphere do animals and plants need to breathe and grow?

Answers

Answer: Explanation:

Plants and animals each produce the gases that the other needs to live. Plants need carbon dioxide—people and other animals exhale carbon dioxide as a waste product. People and other animals need oxygen—plants produce oxygen during an important process called photosynthesis, which turns the sun's energy into nutrients.

Carbon Dioxide for plants and Oxygen for animals

Motions need an unbalanced net force to maintain.
True or False?

Answers

Answer:

The answer is False

Answer:

true

Explanation:

How does the sport curling relate to Newton’s Second Law of Motion?

Answers

Curling is a sport in which players slide stones across a  distance of ice toward a target area. The purpose is to accumulate the loftiest score for a game by making monuments rest closest to the center of the target at the end of each side.  There are two  brigades. Each  platoon is trying to keep the other  platoon's  monuments down from the target by knocking their  monuments out of the way.

Newton's Second Law " The acceleration of an object is directly commensurable to the net force acting on it and is equally commensurable to its mass. The direction of the acceleration is in the same direction as the net force acting on an object."  This relates to the formula F =  ma. The mass of the determinedness monuments in curling is 38 to 44 pounds or 17.3 to 20 kg. The thing of the sweepers is to control the acceleration of the gravestone by reducing disunion on the ice, which affects the force with which the gravestone is suitable to impact the other monuments.

Know more about Newton’s Second Law of Motion.

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In the sport of curling, the stone slides down the lane on the ice after being thrown by the deliverer as speeds change. Without newtons first law being applied the stone would either be at rest or moving at a constant velocity, but the force of friction and gravity on the stone eventually bring the stone to a stop. This is what the sweepers are used for, as they clean the ice and pave a way for the stone to move faster and farther based on their strategies.

Second law-
Newtons second law occurs during curling when the delivery man, such as Glenn Howard, applies force to the stone pushing down the lane to the target while friction pulls it back the other way to a slow stop. The mass of the stone is 40lbs and the net force of everything on item will give you its slowly decreasing acceleration. Otherwise known as, F=mA.

Third law-
This law can be exerted in the sport of curling when the force behind a stone being delivered is transferred into another stone that is at rest, where the energy and force of one moving object is transferred to another. This almost completely stops the original stone, and gives some speed to the stone(s) it collides with.
schematic of curling stone Formula for curling-
F=mA

PLEASE GO TO THIS QUESTION QUICKLY

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Answers

what how do i get there

Answer:

cheeze

Explanation:

im behind u

HELP ME ASAP!!!!! This is 7th grade science! Will give brainliest, five starts, and a heart!
Choices:
o produces urine
o carries urine to the bladder
o stores urine temporarily
o excretes urine out of the body

HELP ME ASAP!!!!! This is 7th grade science! Will give brainliest, five starts, and a heart!Choices:o

Answers

Answer:

A- Carries urine to the bladder

B- excretes urine out of the body

C- Stores urine temporarily

D- Produces urine

Which effect is created when two sound waves that are close in pitch
interact?
O A. Echoes
O B. Loudness
C. Beats
O D. Intensity

Answers

Answer:

C. Beats

Explanation:

When waves are interfering with each other, the sound is louder in some places and softer in others. As a result, we hear pulses or beats in the sound.

Answer:

beats

Explanation:

got it right

What is the highest point at which weather will generally occur?
A. 50 km
B. 20 km
C. 85 km
D. 700 km

Answers

Answer:

I'd say 85km sorry if wrong

Explanation:

Id definitely have to say 20 km because you are literally half way to space at 50 km and thats really pushing it

Let's see about this one.

Let's see about this one.

Answers

Answer: The answer would be A, D and possible E..

Explanation:

The person will continue breathing of course but, shallow breaths so its not c.

and more waste will travel around the cell because oxygen is use in the cell and the cell distributes waste.. Without air, the cells die and yeahh.. im not very good at explaining sorry^^ but its not b either.

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An airplane travels a distance of 4,000 km from New York to Los Angeles in 5 hours. Enter the numerical value for the average speed of the airplane.

Answers

Answer: Divide the km by the hours.

What is the gravitational force between two cars (one car is 1500 kg and the other car is 1000 kg) in a parking lot that are three meters from each other?

Answers

Answer: Your answer 0.000002500737 in pounds-force!

Explanation: Hope my answer helped you! Plz, mark my answer as Brainliest and Thank you!

Would a phone, computer, and tablet work in space? Why?

Answers

Answer:

Satellites and space ships orbit at approximately 150 miles above the earth surface. Given that a standard phone only works within a 10 miles radius of the tower, the satellite or space ship would need its own tower. This tower would also need to be located on the outside of the of the space ship otherwise the metallic structure would block the signal. You would also need a dish antenna back on earth tracking the satellite to receive the signal.

Pls answer I'm giving brainliest to the person with the best answer

Pls answer I'm giving brainliest to the person with the best answer

Answers

Answer:

you would measure the mass and volume of the two balls.

Answer:

THE FOOTBALL IS BIGGER IN LENGTH BUT SHORTER IN SIZE

Explanation:

why you delete my answer bro :l

What are all the parts of a microscope?

Answers

1.eve piece tube or body tube
2.nosepiece
3.objective lenses
4.stage clips
5.stage
6.diaphragm
7.illuminator
8.evepiece/ ocular lens
9. arm
10. coarse focus
11. fine focus
12.base

Answer:

Eyepiece Eyepiece tube Objective lenses Nose piece The Adjustment knobs StageApertureMicroscopic illuminator Condenser Diaphragm Condenser focus knob Abbe Condenser The rack stop

How is net force calculated?

Answers

Answer:

The formula in order to calculate FN is:

F net = F a + F g

You can now solve any problem with this formula as long as you know the measurements.

Which of the following forces has not changed Earth's surface?

folding
erosion
weathering
gravity

Answers

Answer:Gravity is the force among the options listed that has not directly changed Earth's surface.

Explanation:

Gravity is a fundamental force that acts on all objects with mass, including the Earth itself, but it does not cause changes or modifications to the Earth's surface features. Instead, gravity influences the movement of materials and the shape of the Earth's surface by exerting a pulling force on objects. On the other hand, folding, erosion, and weathering are all processes that directly contribute to shaping

The answer is D. Gravity

Which of the following is NOT laboratory evidence of a chemical reaction?
A. Large chunks of sodium chloride are placed in a mortar and pestle. The sodium chloride is broken into smaller pieces.

B. Hydrochloric acid is poured in a test tube containing a piece of magnesium. Bubbles of gas form.

C. A solution of silver nitrate is added to a solution of sodium chloride. A solid white substance forms.

D. A solution of sodium sulfide is added to hydroiodic acid. A rotten smell is given off.

Answers

Answer:

A. Large chunks of sodium chloride are placed in a mortar and pestle. The sodium chloride is broken into smaller pieces.

Explanation:

This is an example of physical change where the physical properties of the substance are altered without any formation of a new substance. So, it is not an evidence of a chemical reaction.

B! the answer is B. bubbles of gas form
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emma is overwhelmed with the amount of work she has to do in the next 48 hours. when she thinks about it, her blood pressure rises and she feels rather sick to her stomach. she finds that even 10 minutes of the video game angry birds helps to diffuse the situation. what is her most likely motivation? Find the area of the region described. The region bounded byy=5/3andy=1/(4x2). How many solutions does y=1/2x have Which common substance is a base?Question 4 options:vinegarlemon juiceyogurtammonia Archie is stranded in a war zone in the land of the Xhosas. His only chance of survival is to reach Sudland, which lies 100 miles away. There are just two routes to Sudland; one is through a desert, and the other is a long and perilous trek through the mountains. Both routes are terribly dangerous. In the past, 26% of all who tried to reach Sudland failed. Of all attempts to reach Sudland, 1 out of every 40 were by the desert route. Although it is the longer route, the mountains seem to provide more success: 75% of those who attempted to reach Sudland through the mountains were successful. To save time, Archie intends to go via the desert. What are his chances of making it through to Sudland One characteristic of Italian Renaissance art is:Question 2 options:One characteristic of Italian Renaissance art is:Question 2 options:The figures in them have ideal beauty and physical perfectionThe art contains bright, neon colorsThe figures are abstract and difficult to identifySome of the art is photography 1. The state fair sells food coupons for $2 each andride coupons for $3 each. If Marlon wants to buy atleast 15 coupons and spend no more than $40, whatis the largest number of ride coupons he can buy?4. Which type of slave trade captured males primarily for agricultural labor? - the Atlantic slave trade -African slave trade - the trans Saharan slave trade-the Islamic slave trade the planning of the placement and movement of figures and camera is a process known as ________. a. kinesis b. shaping c. staging d. blocking e. storyboarding you can do minutes as well. A sample of 2,000 union members was selected, and a survey recorded their opinions regarding a proposed management union contract. A total of 1,600 members were in favor of it. A 95% confidence interval estimated that the population proportion was between 0.78 and 0.82. This indicates that about 80 out of 100 similarly constructed intervals would include the population proportion.a. Trueb. False getting to know what your customers want, need, and care about is question 6 options: a waste of time. one of the chores of doing business. good customer service. only important in certain businesses n invitation to go skiing over the weekend forced Donna to look at her current wardrobe.She realized that she required a warmer coat. Which of the following stages of the buyer decisionprocess does Donna exemplify?A) product evaluationB) situational analysisC) need recognitionD) problem screeningE) information search For a random sample of 25 owners of medium-sized sedan cars, it was found that their average monthly car insurance premium for comprehensive cover was R469 with a standard deviation of R47. Assuming insurance premiums for this type of car are normally distributed, construct a 95% confidence interval for the average insurance premium. What happens when one adds (NH4)2S to a solution that contains Al3+? What are the products of the chemical reaction? A rod has length 2m and mass 3 kg.The centre of mass should be in the middle but,due to a fault in the manufacturing process,it is not.This error is corrected by placing a 200 g mass 5 cm from the centre of the rod. Where is the centre of mass of the rod itself? The complex of dna and protein that makes up a eukaryotic chromosome is properly called __________. Write a slope intercept form for a line that passes through the points (-1,-1) and (2,5). Find the volume of the cylinder. Round your answer to the nearest hundredth, if necessary. Jane drew a point A located at (-2,-3) and point C located at (8,-3). What is the x-coordinate of point B that bisects? AC