Teniendo en cuenta las definición de evaporación, la respuesta correcta es la primer opción: para separar la sal, Jorge debe usar la Evaporación, porque con este método se evapora el agua y queda únicamente la sal.
El método de separación utilizado para el agua y la sal es: la evaporación.
La evaporación consiste en pasar el soluto disuelto en un liquido a estado gaseoso y ocurre al aumentar su temperatura de forma natural o artificial,. Dependiendo de que se desea evaporar se utiliza el material correspondiente. La técnica mas común es por contacto y puede acelerarse si utilizamos un material conductor dentro del liquido.
En otras palabras, se conoce que la evaporación es el proceso por el cual las distintas moléculas en estado líquido, como lo es en agua, pasan a un estado gaseoso de manera espontánea, siendo este el principal efecto de la evaporación.
Como se mencionó el método de separación utilizado para el agua y la sal es la evaporación. Durante este proceso, al aplicar calor, el agua se convierte en vapor y se libera al aire. La sal, como tiene otro punto de ebullición, no se evapora.
Entonces, la respuesta correcta es la primer opción: para separar la sal, Jorge debe usar la Evaporación, porque con este método se evapora el agua y queda únicamente la sal.
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Tama o Mali
1.nang bubbly NG kapwa
Answer:
mali
Explanation:
masama po ang mang bully ng kapwa natin
Answer:
*bully?? Mali,kase di dapat binubully Yung kapwa
Nucleus is found in...
A. prokaryotic cells.
B. eukaryotic cells.
C. all cells.
Answer:
Eukaryotic cells
Explanation:
Prokaryotic cells do not have a nucleus but eukaryotic cells do.
Hope this helps!
C. Eukaryotic cells.
All cells can be classified into two groups: eukaryotic and prokaryotic. Eukaryotes have a membrane-enclosed nucleus and organelles, whereas prokaryotes do not.
Condensation of water droplets causes the formation of
A. rain
B. lakes
C. clouds
D. water vapor
Question 4
Each individual bundle of muscle cells is called a
I am not sure but I think Quizlet is the right answer
Jane is doing an experiment to find out how the size of a bowl affects the growth of the goldfish living in that bowl. She has three identical goldfish. She puts them in three bowls of different sizes. Every day, Jane looks at the goldfish in each bowl. In addition to looking, what should she do?
Answer:
maybe she should feed the gold fish
She should change the water she should change the container to see the change 'cuz there will be a change.
Answer:
C: Record her observations each day
Explanation:
I got it correct.
BRAINLIEST FIR RIGHT ANSWERS, WHAT SHAPE AND WHY?
4. Hydrogen cyanide (HCN) is a colorless gas. It is poisonous and smells like
almonds. On a piece of scratch paper, draw a Lewis structure for this compound. (you
do not need to show the picture)
Using that drawing, explain what shape you think this molecule is and WHY you
think it would be this shape. (4 points)
it would be an oval because the
A/
ORI
Answer:
Explanation:
Hydrogen cyanide (HCN)
The molecular geometry of HCN is linear. The compound is polar in nature.
As Carbon is bonded to two atoms, it follows the molecular geometry of AX2. And as per VSEPR theory, molecules covered under AX2 have a linear molecular geometry.
Hence Hydrogen Cyanide has linear molecular geometry.
Which of the following best describes gasoline?
Solid
Low energy
Stable
Combustible
A person jogging from the forest to the office covers the 6,800
meters in 2 hours. Their speed is not constant and they slow down
and speed up at various times. What is their average velocity?
Round the answer to the hundredths place if necessary.
a 1.9 m/s north
b. Impossible to calculate since the speed wasn't constant.
C. 0.9420/s north
d. 56.67 m/s north
e. 1.34 m/s north
f. 0.56 m/s north
Answer:
b
Explanation:
Which statement isn't true?
Answer:
I'm pretty sure the answer is b. Cells can absorb food and oxygen
In the water cycle, at some point water vapor (gas) turns back into a liquid, we
call this precipitation. The liquid is typically in the form of rain, snow, or hail.
Which of the following properties is the reasoning behind the formation of a rain?
(Multiple Choice)
a. Universal Solvent
b. Cohesion
C. Adhesion
d. Surface Tension
e. Homeostasis
aproximately how many HeLa cells are there?
Over the course of 26 years, 600,000,000 HeLa cells have been produced in my laboratory each week, for a total of 800 billion cells. That is a lot of cells, but it's nothing compared with the total number of cells – approximately 100 trillion – that make up a human.
Give the Chemical name of four commercial fertilizers.
Answer:
urea(contains nitrogen),sodium nitrate,Ammonium Sulphate ,Muriate of Potash.
Explanation:
Write a paragraph explaining how adhesion, cohesion and capillary action all enable water to go from the roots to the top of a tall tree.
Answer:
Capillary action helps bring water up into the roots. But capillary action can only "pull" water up a small distance, after which it cannot overcome gravity. To get water up to all the branches and leaves, the forces of adhesion and cohesion go to work in the plant's xylem to move water to the furthest leaf.
Explanation:
Hope This Helps!
Water is moved up through the plant by capillary action from the soil.
Hydrogen connections between water molecules give them a sticky property that allows them to form droplets. Droplets can stick to the plant because of adhesion.
what is capillary action?Capillary action is the movement of liquid along a solid's surface induced by the attraction of the liquid's molecules to the solid's molecules.
The movement of a liquid across the surface of a solid induced by adhesion between the two is known as capillary action.
The higher the water climbs on its own, the narrower the tube becomes. Water is forced up the columns of cells in the xylem and through fine tubes in the cell wall by adhesion in plants.
The transport of water through the plant is known as capillary action. When the adhesion is stronger than the cohesion, this movement happens. The attraction between water molecules is natural. The transient hydrogen bonds that they form are the source of their attraction.
what is adhesion and cohesion?The act of attaching one thing to another is known as adhesion. Water adheres to the organic tissues of plants thanks to adhesion.
Cohesion is the property that allows molecules of the same substance to stick together.
Water molecules are held together by cohesion in plants. Intermolecular attraction leads liquids to create a top or outer layer that acts like a thin film.
The shape of water drops is determined by surface tension, which also holds structures together as they absorb water.
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Q6.2. There are many diseases that do not infect a person more than once, such as chicken pox
and measles. What is responsible for this lifetime immunity?
The innate immune response, because barriers to entering the body improve with age.
The innate immune response, because adults have more white blood cells than children.
The acquired immune response, because antibodies are developed from previous infections.
The acquired immune response, because it responds rapidly to broad classes of pathogens.
The responsible for this lifetime immunity is the acquired immune response because antibodies are developed from previous infections. The generation of antibodies is a response to these infections.
The acquired immune system eliminates pathogenic organisms and any toxic molecules they produce.
The acquired immune system has two mechanisms of action: humoral immunity and cellular immunity.
Humoral immunity, also known as antibody-mediated immunity, involves the activation of specific blood cells (B cells) and subsequent secretion of antibodies when in contact with a pathogen.
Thus, the acquired immune system develops specific antibodies as a response to infections (e.g., chickenpox and measles).
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What are CAM plants?
Explanation:
A plant that utilizes the Crassulacean acid metabolism (CAM) as an adaptation for arid conditions. CO2 entering the stomata during the night is converted into organic acids, which release CO2 for the Calvin Cycle during the day, when the stomata are closed.
What is another way nitrogen is added back into the atmosphere BESIDES animal waste, but is too unreliable to count on?
Answer:
Plant and animal wastes decompose, adding nitrogen to the soil. Bacteria in the soil convert those forms of nitrogen into forms plants can use. Plants use the nitrogen in the soil to grow. People and animals eat the plants; then animal and plant residues return nitrogen to the soil again, completing the cycle.
Describe which factors of an ecosystem are not part of a community.
Answer:
The abiotic factors include water, air, rocks, and sunlight are not part of a community.
reproducing plant and animals Which have desirable traits is called
Selective Breeding....
Cuál es la utilidad de la lógica argumentativa en la comunicación
Answer:Comunicación argumentativa para la investigación-acción ... espectro innovador de su diseño de la lógica que enseña a investigar problemas y ...
Explanation:
Which term best completes the following analogy?
Elements : Atoms: Covalent compounds: _________
A. Bonds
B. lons
C. Mixtures
D. Molecules
Answer:
C. Molecules
The best term that completes the analogy is Molecules
a plant grows 3 inches faster per dat when placed on a window sill than it does when placed on a coffee table. Determine if observation is qualitive or quantitive
Answer:
sg5ntg4r4fhynumybtcrbu
ny f gh
Explanation:
chnbunmhbcrxrctvub
What is the concept of genetic engineering? Cite its advantages and disadvantage (if there is any).
Answer:
Genetic engineering is the process of using recombinant DNA (rDNA) technology to alter the genetic makeup of an organism.
Disadvantages
The nutritional value of foods can be less. .
Pathogens adapt to the new genetic profiles
There can be negative side effects that are unexpected
The amount of diversity developed can be less favorable
Copyrighted genetic engineering can have costly consequences.
Advantages
More nutritious food.
Tastier food.
Disease- and drought-resistant plants that require fewer environmental resources (such as water and fertilizer)
Less use of pesticides.
Increased supply of food with reduced cost and longer shelf life.
Faster growing plants and animals.
Which organisms obtain energy from dead or decaying matter? Select two options.
groundhogs
daisies
earthworms
bacteria
humans
phytoplankton
Earthworms and bacteria organisms obtain energy from dead or decaying matter. Thus, the correct option is C and D.
What is organic matter?The term "organic matter" refers to material that contains carbon compounds produced by living things. Lawn trimmings, leaves, twigs, branches, moss, algae, lichens, any animal parts, sewage sludge, sawdust, insects, earthworms, and bacteria are just a few examples of what it includes.
The main decomposers in many ecosystems are fungi and bacteria, which utilise the chemical energy in dead matter and wastes to power their metabolic processes. Detritivores, sometimes known as trash or debris eaters, are other types of decomposers. Typically, these are creatures with several cells, like vultures, earthworms, crabs, or slugs.
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Answer:
C, D
Explanation:
i took the test
1._______ is what farmer should do in order that plant will grow fast and productive?
2._______a practice to help promote the growt of root's and improve aeration for fast absorption by the soil.
4._______is also called rows cultivation and is done only by cultivating the soil in rows or between the two plants are being cultivated.
5._______is cultivating the soil towards the base of the plant or cultivation around the plant.
Answer:
1.Planting
2.Cultivating
4.Tilling
5.Hilling Up
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Miss Hawaii
Risk of toxicity is higher with fat- vitamins. True or False
Answer:
True
Explanation:
The fat-soluble vitamins, A, D, E, and K, are stored in the body for long periods of time and generally pose a greater risk for toxicity than water-soluble vitamins when consumed in excess. Eating a normal, well-balanced diet will not lead to toxicity in otherwise healthy individuals.
How does the sucrose molecule leave the body?
Answer:
Short word, "Pee/Urine"Explanation:
If your drinking water then color of your Pee is based what you drink.all of the following are characteristics of living things expect
Answer:
The ability to move
Explanation:
Have a good day
Answer:
homeostasis
Explanation:
Question:
All of the following are characteristics of life except:
a. growth
b. homeostasis
c. movement
d. reproduction
e. energy use
Describe the elements and compounds of coal being mined
Answer:
The organic compounds in coal are composed of the elements carbon, hydrogen, oxygen, nitrogen, sulfur, and trace amounts of a variety of other elements
Coal is a mixture of organic compounds and minerals formed from ancient plant material, primarily composed of carbon, hydrogen, and impurities like sulfur and nitrogen.
Coal is a mixture of organic compounds and minerals, resulting from the decomposition of ancient plant material over millions of years. It primarily consists of carbon, hydrogen, oxygen, nitrogen, and sulfur. Carbon, the dominant organic compound, makes up a substantial part of coal's composition, with hydrogen and oxygen occurring in lesser amounts.
Nitrogen and sulfur are present as impurities, in the form of organic compounds and mineral components. Coal also contains inorganic minerals like quartz, clay, and pyrite, contributing to its ash content. Trace elements, such as mercury, arsenic, and lead, are present in low concentrations. The exact composition varies based on coal type and location, influencing its energy content and environmental impacts.
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The complete question is:
Describe the elements and compounds of coal being mined.
Where do heterotrophs get phosphorus from?
Answer:
Heterotrophs rely on organic material and remineralize nutrients such as nitrogen and phosphorus when they are in excess of requirements.
3-carbon-atom (3C) molecule produced in glycolysis is called______________________. Inside a eukaryotic cell, this molecule moves from ______________to ________________ and is oxidized into _____________. If oxygen is not present, it gets reduced into _____________ (in yeast) or ______________(in our muscle cells). Production of ATP in the absence of O2 is called____________________.
Answer:
PYRUVATECYTOPLASMMITROCHONDRIAACETYL COAETHANOL AND CO2LACTIC ACIDANAEROBIC RESPIRATION(FERMENTATION)