The arrow is called a
After Eris was discovered, scientists had to decide whether to count it as a planet. Why did this make them question whether Pluto should still be counted as a planet?
a
because Pluto and Eris are both space objects
b
because Pluto and Eris were discovered at the same time
c
because Pluto and Eris are very different
d
because Pluto and Eris are very similar
Answer:
After Eris was discovered, they had to decide whether Eris was a planet or not. If they decided it wasn't a planet, they had to also decide whether Pluto should be counted as a planet since Eris and Pluto were quite similar. They were the same size, and they were both part of the Kuiper Belt.
Explanation:
Planets are the celestial bodies that are not fixed. Pluto should be counted as a planet was a question as both Pluto and Eris were similar.
What are Pluto and Eris?Pluto is now considered a dwarf planet and is found in the Kuiper belt that is present beyond the planet, Neptune. Similarly, Eris is also a dwarf planet.
Eris is the second-largest dwarf planet and is very similar to Pluto. The discovery of Eris questioned whether Pluto should be considered a planet.
Both the planets Pluto and Eris were similar in size and were part of the Kuiper Belt leading to the question of whether they should be a planet or not.
Therefore, option d. Pluto and Eris are very similar.
Learn more about Eris here:
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Use the drop-down menus to complete the statements.
may be parasites, eat dead animals, or prey on insects, slugs, and snails.
eat and break down plant and animal material in soil.
eat other animals or filter food from the surrounding water.
Answer: Leeches, Earthworms, Marine worms
Explanation:
Imagine that you are outside in the cold. Your nose starts to tingle and hurt. What might you be experiencing?
a
fever
b
frostbite
c
a heart attack
d
hypothermia
plz help me on the other two :) i already did the third one
Conservation of energy states that the total energy in a system will stay the same, but will be converted between potential and kinetic energy.
True
False
Answer:
true
Explanation:
Answer:
True
Explanation:
plzzz help card sort for energy
Is the process of making a glass of lemonade a physical or chemical change?? Explain.
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Deforestation is the __________.
A.
cutting down or burning of all the trees in a forested area
B.
replanting of trees in an area where trees were cut down
C.
managing of forests for the benefit of people
D.
adding of nutrients to topsoil in order to make land more arable
Please select the best answer from the choices provided
A
B
C
D
Don't have to answer!
Percolation state of matter, Name and source, and explanation which is definition of Percolation in your own words and shortened
Answer:Percolare
Explanation:
Answer:
Percolare
Explanation:
Mammals use their lungs to provide oxygen for themselves from the air. Fish spend a majority of their time in the water, and instead, developed gills. What is the function of gills? *
a-Gills break down water into hydrogen and oxygen so the fish can use the oxygen.
b-Gills allow the fish to breathe oxygen in the water and the air.
c-Gills allow the fish to use the oxygen that is dissolved in the water.
d-Gills allow the fish to use the oxygen in the air, but use it more slowly so they can live in water.
The Barber's have a circular flowerbed in their front yard. The want to put fertilizer on ha
Answer:
C
Explanation:
a fish cant breath outside water
Mammals use their lungs to provide oxygen from the air, while fish spend time in the water; instead, fish developed gills because gills allow the fish to use the oxygen that is dissolved in the water, which is option c.
What is the significance of the gills in animals?Gills are important for fish and other aquatic animals as they are the primary respiratory organ in aquatic animals, helping them obtain oxygen from water and release carbon dioxide into the surrounding water. Gills in fish and other aquatic animals help them breathe underwater and maintain vital metabolic processes.
Hence, mammals use their lungs to provide oxygen from the air, while fish spend time in the water; instead, fish developed gills because gills allow the fish to use the oxygen that is dissolved in the water, which is option c.
Learn more about the gills here.
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What is the influence of temperature on a chemical change?
Answer:
Increasing the temperature will cause chemical changes to occur faster. Decreasing the temperature, causes the particles to lose energy which causes them to move around less and slower. The less they move, the less collisions occur, and the less reactions occur between the chemicals = slower reaction rate.
Explanation:
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BRAINLIST IF U ARE CORRECT AND ANSWER ALL OF THEM!!!!!!!!!!Match the name of the way water is used to its description.
Drag the answers into the correct boxes.
Water used in businesses such as restaurants, hotels, offices, grocery stores, police stations, and malls.
Water that is delivered to homes and schools.
Water that is used for raising crops in dry areas.
Water used in rural areas where people dig wells.
Commercial Domestic Public Irrigation
Answer:
I think it is the first one all those places do use water
please help!!!!!!!!!!!!!!!!!!!
Answer:
Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. Breaking down sugar produces the energy your body needs.
Explanation:
Brainly pls
What kind of change, physical or chemical, is happening when wood burns? How can you tell?
Answer:
Wood changes chemically to carbon dioxide when it burns and leaves a residue of ashes. These ashes cannot be changed back to wood. So it is a chemical change.
Please help me with this I will give out extra points with the brain thing if you help me with this science question 2/5 image below. I promise
what papper that does not get wet do NOT USE the G O O G L E if u did u lose but try and I'll tell u
- Expermint get a cup put water then put papper on top any papper in the cup then filp it over in the sink What happens... if ur papper not wet and water did not sink through u win but tell me what happens to urs
Answer:
Stone Paper, known since I was a kid.
Explanation:
Answer:
Explanation:
Da papper
Need help with 7th grade science
Help ASAP
What are some of the raw materials that are used in making T-shirts. (Except cotton)
Raw materials: a material that is made by/in nature/earth. Example mine materials, nature materials (tree/grass)
Answer:
Cotton, polyester, and pima
Explanation:
2. A change in velocity (speed and/or direction) is... *
A.speed
B.Velocity
C. Acceleration
The substance(s) or molecules at the beginning of a chemical reaction is called a
chemical equation
product
reactant
How does the text describe Pluto?
a
Pluto is made up entirely of ice, and it is bigger than Venus.
b
Pluto is made up entirely of rock and ice, and it is bigger than Earth's moon.
c
Pluto is made up entirely of gas, and it is bigger than Earth's moon.
d
Pluto is made up entirely of rock and ice, and it is smaller than Earth's moon.
Answer:
B
Explanation:
Answer:
D
Explanation:
its smaller than our moon
which region of the periodic table has the most elements. list them in order
Answer:
periodic table`~
Explanation:
period: a row of the periodic table. Properties of the elements are periodic, meaning that they repeat after a specific interval. Elements in the same period have their highest energy electrons in the same principal energy level.
group (family): a column of the periodic table. Elements in the same group have the same number of valence electrons, and therefore have similar chemical and physical properties.
help help help help!!!!!!!
Answer:
Sunlight
Explanation:
The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water. This establishes the beginning of energy flow through almost all food webs.
___________________ can be renewable or nonrenewable.
isn't it fossil fuels? i'm not sure
Answer:
wood, aluminum, gemstones, fabric, paper, rock and many others can be renewable or nonrenewable.
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Explanation:
How many different elements are involved in the reaction shown? Record the answer in the grid. Plz help :))
Ca=Calcium
Ci=Iron
Ag= Silver
No-Nobelium
Which three temperature readings all mean the same thing?
273 Kelvin, 100 degrees Celsius, 212 degrees Fahrenheit
100 Kelvin, 0 degrees Celsius, 32 degrees Fahrenheit
273 Kelvin, 0 degrees Celsius, 212 degrees Fahrenheit
373 Kelvin, 100 degrees Celsius, 212 degrees Fahrenheit
Someone please help!
Answer:
273 Kelvin, 0 degrees Celsius, 32 degrees Fahrenheit
Explanation:
Elastic potential energy is energy due to
Question 2 options:
mass
motion
height above ground
change in shape
I need help
Roots of a tree breaking up the side walk
Mecanical OR Chemical
Flood water pounding against a canyon wall and breaking off rock
Mecanical OR Chemical
Acid from plant roots creates cracks in a driveway
Mecanical OR Chemical
Answer:
The first one is mechanical, second is chemical and, the third is chemical.
Explanation:
Well acid is a chemical, and water is a chemical compound. The roots are mechanical since it is not a chemical. Mechanical side of things is like you breaking up a sidewalk.
Answer:
one: mechanical, second: chemical and, third: chemical.
Explanation:
Can a pillow have kinetic and potential energy explain how and why ?
Answer:
no
Explanation:
because its fabric
Perhaps the most brilliant mind of the 18th century was that of:
A.) Robert Hooke
B.) Aristotle
C.) Sir Isaac Newton
D.) Arquimedes
Answer:
hmm i would have to say either robert hooke or isaac newton