Which is an example of a mixture?
A. water
B. trail mix
C. hydrogen
D. carbon dioxide
Answers
Answer:
B. Trail Mix
Explanation:
There are different kinds of nuts, seeds, etc. This is a mixture
Related Questions
You are in a desert on a hot day and see water in the distance. It is not really there, you see it because light bends due to a difference in the temperature of air. Which behavior of light best explains this? Select one: a. reflection b. translocation c. diffraction d. refraction
Answers
Answer:
d) refraction
Explanation:
in physics, refraction is the change of direction of a wave passing from one medium to another. refraction of light is the most commonly observed phenomenon but other waves such as sound waves and water waves also experience refraction
Answer:
B. Translocation
Explanation:
It means a change in location. It often refers to genetics, when part of a chromosome is transferred to another chromosome, you want a change in location because you are so thirsty in the desert and need water
Select all the correct answers.
A moving ball hits a stationary ball. The moving ball stops, and the stationary ball starts moving. In terms of force, what’s happening during this event?
Force is transferred from the moving ball to the stationary ball.
The stationary ball exerts a force on the moving ball.
The moving ball exerts a force on the stationary ball.
The moving ball runs out of force when it hits the stationary ball.
Answers
A speed skater goes around a turn with a 25 m radius. The skater has a velocity of 15 m/s and experiences a centripetal force of 720 N. What is the mass of the skater? (10 points – you must show your work
Answers
Answer:
Explanation:
below i solved :)
Answer: 80kg
Explanation:
Give one example when it might be important to know how much gravitational potential energy is stored by an object. Why is it important?
Answers
Answer:
A possible situation in knowing the gravitational potential energy of an object is to find it's maximum kinetic energy. It can be important if I would want to calculate the velocity the object will be having if the potential gravitational energy will be converted into kinetic by using the formula.
Which of the following statements correctly describes the appearance of stars?
A.
Each night, stars travel across the sky from west to east.
B.
Spinning of the Earth on its axis causes the stars to look as if they are moving.
C.
Each pattern of stars can be seen all year round from the same place on Earth.
D.
All patterns of stars are visible only one night each year.
Answers
Answer: B
Explanation:
Spinning of the Earth on its axis causes the stars to look as if they are moving.
Answer:B.
Explanation:
Spinning of the Earth on its axis causes the stars to look as if they are moving.
How are Volocity and Acceleration related?
Answers
Answer:
Velocity is the rate of change of position with respect to time, whereas acceleration is the rate of change of velocity. Both are vector quantities (and so also have a specified direction), but the units of velocity are meters per second while the units of acceleration are meters per second squared.
Explanation:
THANK YOU!
Hope this helps.
PLEASE HELP
Highlight the objects or materials items that are made of cells and did originate from cells.
Answers
Answer:
ur mom
Explanation:
Answer: flowers chromomes cell membranes clorophyl
Explanation: cells are the building blocks of life and flowers contain cells for different things like we contain cells for mitosis I am strongly sure about flowers but the rest maybe wrong hope this helped!
answer question 2 please
Answers
How will the total energy change as the car moves from point A to B to C? Assume that none of the energy is lost as friction or heat energy.
A The total energy will increase as the kinetic changes to potential and back again.
B Kinetic energy will change into potential energy and back again, but the total energy will stay the same.
C The total energy will decrease because the potential energy will change into kinetic energy.
D The total energy will decrease since it is losing potential energy at point E.
Answers
Answer:c
Explanation: i am on study island and had that
Will give brainliest! describe density currents and the major factors that cause them in 6 sentences
Answers
Answer:
1. MOON has the greatest influence over the tides
2. Ocean currents can be caused by wind, density differences in water masses caused by temperature and salinity variations, gravity, and events such as earthquakes or storms.
Explanation:
How was Thomson's model of the atom valuable, even though Rutherford's experiment showed that the model was wrong?
Answers
Thomson's model of the atom was eventually proven incorrect by Rutherford's experiment, but it was still valuable as it challenged the prevailing ideas about atoms and helped to lay the groundwork for further research in the field
J.J. Thomson's atomic model, also known as the "plum pudding model " was proposed in 1904. It suggested that atoms were made up of a positively charged mass with negatively charged electrons embedded in it, resembling plums in a pudding. While this model was eventually proven incorrect it was still valuable for several reasons
Firstly, Thomson's model was significant because it was the first atomic model that included electrons. At the time, it was believed that atoms were indivisible and unchangeable. Thomson's model challenged this notion by proposing the existence of negatively charged particles, which eventually led to the discovery of electron.
Secondly, Thomson's model helped to explain the behavior of cathode rays which were streams of electrons observed in vacuum tubes. He found that the cathode rays were attracted to a positively charged plate and repelled by a negatively charged plate, suggesting that they were negatively charged particles.
To know more about Thomson's model refer to this link
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what is the amount of protons, neutrons, and electrons in the atom to make water
Answers
Answer:
10 protons 8 neutrons 10 electrons
Over time, the variation that gives an advantage
A. can limit the number of individual organisms.
B. becomes less common in the population.
C. can limit the number of selective pressures.
D. becomes more common in the population
Answers
Answer:
The answer is D. becomes more common in the population
Explanation:
Dominic made the table below to organize his notes about mixtures.
What mistake did Dominic make?
A- The title should read “Properties of Solutions” because some mixtures do not have all of the properties listed.
B- There is a definite recipe to make each mixture, so the composition of a mixture is set.
C- Although it is possible to have more than one state, it is also possible to have only one state.
D- A single substance can be used to make a mixture if the substance is composed of more than one element.
Answers
Answer:
A
Explanation:
Mixtures do not always follow the following properties, but solutions do!
help
Question
Which example is classified as a body fossil?
Responses
fossilized bird droppings
a worm trail
footprint of a stone-age individual
ancient shark vertebra
Answers
Answer:
D) Ancient shark vertebra
Explanation:
Body fossils were once part of the body of an organism. So this one best fits the answer to your question of, "which example is classified as a body fossil?" The others sound like examples of trace fossils. Which is what an organism left behind.
I hope this helps!!!
Energy can only be converted from one form to another.
Agree/Disagree, why?
Answers
Answer:
Agree - energy can never be created or destroyed, it can only convert from one form to another (this is the Law of Conservation of Energy)
hope this helps! <3
AGREE !
First Law of Thermodynamics: Energy can be changed from one form to another, but it cannot be created or destroyed
what area of technology is the camera classified in? And WHY
a. Information and Communication
b. Bio-related and Agricultural
c. Medical d. Environmental
e. Production, which includes manufacturing and construction
f. Transportation
g. Energy and Power
h. Nanotechnology
Answers
Answer:
a. Information and Communication
Explanation:
The modern photographic camera evolved from the camera obscura. The functioning of the camera is very similar to the functioning of the human eye. The first permanent photograph was made in 1825 by Joseph Nicéphore Niépce.
What are the four forms of matter that waves can travel through?
Answers
Answer:
It can be a solid, liquid, gas,plasma,etc. When waves travel through a medium, the particles of the medium are not carried along with the wave.For example, water waves have to travel in water. Sound waves need a solid, a liquid or a gas to travel in.
The four states of matter are gas, liquid, solid and plasma. Waves can travel through all these states of matter but by different transfer modes.
What are waves?Waves are energy transfer through matter. There are two types of waves namely, mechanical waves and electromagnetic waves. Mechanical waves can travel through a medium only whereas, electromagnetic waves can travel through vacuum also.
The four states of matter are liquid , gas , solid and plasma. All of these states are allotting waves to pass through. Through solids the energy is transferred by conduction. and in gases and liquids, convection is the mode for energy transfer.
Only electromagnetic waves can pass through plasma state of matter. When the frequency of the waves is greater than the plasma frequency, then electromagnetic waves can pass through it.
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Outside the Solar System is there any gravitational pull from the Sun?
Answers
help please :((
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Answers
Answer:
c)
Explanation:
b) and d) are incorrect because there is only one wave, but there are two fields.
a) is incorrect because the electric field and magnetic field are not parallel, they are perpendicular, or 90 degrees to one another, so this means:
c) is correct.
Help please answer my previous and question and this one! Random answers and links will be reported.
Heat can be transferred from one object to another by ______.
A Conduction
B Translation
C Condition
D Restriction
Answers
Heat can be transferred in three ways: by conduction, convection, and by radiation. Only conduction is on the options so it would be A
Conduction is the process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.
HELP ME
which examines some industrial applications of magnets and electromagnets, list two examples of objects that you use every day that rely on magnets or electromagnets.
Answers
Answer:
Headphones use electromagnets, and Audio Speakers use very large magnets inside of them
Explanation:
This answer doesn't really need an explanation but you can just research why they use those kind of magnets in those objects if you want.
A ___________ is any object that circles Earth or another body in space.
Answers
Answer:
satellite
Explanation:
this is what I think the answer is
Explanation: A satellite can be natural, like Earth or the moon. Many planets have moons that orbit them
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 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.
variables that affect the amount of current flowing in a circuit
Answers
Answer:
In a closed electric circuit, resistance of the components and the voltage of a power source are affecting the electric current.
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:
What happens if an object has a negative acceleration?
the object is speeding up
the object is turning around
the object is slowing down
Answers
Answer:
An object with negative acceleration could be speeding up, and an object with positive acceleration could be slowing down. ... And if the acceleration points in the opposite direction of the velocity, the object will be slowing down. (I hope this helps)
Explanation:
Answer:
A
Explanation:
What fraction of the Moon model was always lit up by the light in your model?
Answers
Answer:10
Explanation:
In the context of the Moon model, the fraction of the Moon that was always lit up by the light is half, or 1/2.
The explanation for this is that the Moon model discussed previously most likely depicts the Moon's phases as seen from Earth. The phases of the moon are caused by distinct areas of the lit side of the moon that are visible from Earth at various times during its orbit.
The Sun always illuminates half of the Moon's surface, leaving the other side in darkness. From Earth, we can only see the bright portion; the unlit portion is invisible. Different phases result from variations in the visible fraction of the lighted half of the Moon as it revolves around the Earth.
Therefore, the fraction of the Moon that was always lit up by the light is half, or 1/2.
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how do you ensure electrical safetyat home
make a poster
Answers
Ground Fault Circuit Interrupters (GFCIs): Install GFCIs in areas where water is present, such as kitchens, bathrooms, laundry rooms, and outdoor outlets. GFCIs detect imbalances in electrical currents and quickly cut off power to prevent electric shocks.
Arc Fault Circuit Interrupters (AFCIs): Use AFCIs to protect against arc faults, which can cause electrical fires. AFCIs detect dangerous electrical arcs and shut off power to prevent potential fires.
Electrical Overload Prevention: Avoid overloading electrical outlets by using power strips with built-in circuit breakers. Spread out high-wattage appliances across multiple outlets rather than using adapters or extension cords.
Proper Cord Usage: Inspect electrical cords regularly for damage, fraying, or loose connections. Replace damaged cords immediately. Avoid running cords under carpets or rugs, and don't pinch them behind furniture or doors.
Outlet Safety: Install tamper-resistant outlets to protect children from accidental electrical shocks. Cover unused outlets with safety caps or plugs.
Light Bulb Safety: Use the correct wattage light bulbs for fixtures to prevent overheating. Always turn off the power before changing light bulbs.
Electrical Appliance Safety: Unplug appliances when not in use and during electrical storms to protect them from power surges. Follow manufacturer's instructions for maintenance and usage.
Outdoor Safety: Use weatherproof electrical outlets and cover them with appropriate enclosures. Avoid using electrical tools or appliances in wet conditions unless they are specifically designed for outdoor use.
Education and Awareness: Educate your family members about electrical safety practices, such as not overloading outlets, avoiding water near electrical sources, and recognizing the signs of potential electrical hazards.
Regular Electrical Inspections: Schedule periodic inspections of your home's electrical system by a qualified electrician to identify any potential hazards or issues.
Ground Fault Circuit Interrupters (GFCIs): Install GFCIs in areas where water is present, such as kitchens, bathrooms, laundry rooms, and outdoor outlets. GFCIs detect imbalances in electrical currents and quickly cut off power to prevent electric shocks.
Arc Fault Circuit Interrupters (AFCIs): Use AFCIs to protect against arc faults, which can cause electrical fires. AFCIs detect dangerous electrical arcs and shut off power to prevent potential fires.
Electrical Overload Prevention: Avoid overloading electrical outlets by using power strips with built-in circuit breakers. Spread out high-wattage appliances across multiple outlets rather than using adapters or extension cords.
Proper Cord Usage: Inspect electrical cords regularly for damage, fraying, or loose connections. Replace damaged cords immediately. Avoid running cords under carpets or rugs, and don't pinch them behind furniture or doors.
Outlet Safety: Install tamper-resistant outlets to protect children from accidental electrical shocks. Cover unused outlets with safety caps or plugs.
Light Bulb Safety: Use the correct wattage light bulbs for fixtures to prevent overheating. Always turn off the power before changing light bulbs.
Electrical Appliance Safety: Unplug appliances when not in use and during electrical storms to protect them from power surges. Follow manufacturer's instructions for maintenance and usage.
Outdoor Safety: Use weatherproof electrical outlets and cover them with appropriate enclosures. Avoid using electrical tools or appliances in wet conditions unless they are specifically designed for outdoor use.
Education and Awareness: Educate your family members about electrical safety practices, such as not overloading outlets, avoiding water near electrical sources, and recognizing the signs of potential electrical hazards.