The answer would be: Making fluorescent light for houses.
Making fluorescent lights for houses can be categorized as use of plasma in technology.
What is Plasma Technology ?Plasma technology is commonly used in many industries, including in the automotive, microelectronics, packaging and medical device industries. Along with solid, liquid and gas, plasma is a state of matter.
State changes occur by either adding or removing energy from a substance.
Making fluorescent lights for houses can be categorized as use of plasma in technology
The mercury atoms in the plasma generate light very efficiently, but much of it is ultra-violet (UV), invisible to the eye and harmful to it (or rather, it would be, were it not absorbed by the glass).
The solution is to coat the inside of the tube with a glow-in-the-dark (fluorescent) paint, which absorbs the UV and re-emits its energy as visible light.
Therefore Option C is the correct answer.
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which statement best describes what happens when you hold a cold drink in your hand?
Answer:
heat will flow from your hand (the warmer object) to the cup (the colder object), and your hands will start to feel cold because their losing heat energy
true or false : when a theory has been known for a long time , it becomes a law
False.
It won’t become one if it’s not proven true.
Hi ,do you like dino nuggets?
Environmental science is a *
A. narrowly defined set of physical, life, and social sciences.
B. subject that only deals with the environment.
C. collective of like-minded people that attempt to raise awareness and take action to protect our environment.
D. interdisciplinary subject used to gain knowledge about the environment.
A hot air balloon is an example of what type of system? *
Answer:
The balloon transport system or Hot Air Balloon is one of several transportation methods in RuneScape. During the Enlightened Journey quest it can be used for travel between two locations. After the quest is complete, four more locations are available to be unlocked by completing respective journeys to those locations.
Explanation:
transportation
Which would most likely be done while designing a solution?
researching the current uses of a fuel type
sketching a diagram of a new medical device
reporting the results of using a prototype
redesigning a model airplane that did not fly well
Answer:
sketching a diagram of a new medical device (b)
Explanation:
its on edge technical design not d i got that one wrong
Answer:
the answer is b
Explanation: i took the test edge 2021
A) remove 1.5ml of liquid
B) add 1.5 ml of liquid
C) remove 0.5 ml of liquid
D) add 0.5 mo of liquid
Which of these elements have just one valence electron?
Answer:
Only Hydrogen and Group 1 elements have 1 valence electron
Explanation:
the valence number of electrons is the group number in the periodic table. So, the group 1 atoms( along with hydrogen) have 1 outer-shell electrons [valence electrons]
Which most accurately describes the basis of the scientific method?
A. a path of clearly defined steps that must be followed in a particular order.
B. a possible answer to a scientific question based on knowledge or research.
C. the recipe for how to conduct an experiment that must be followed precisely.
D. the process of hypothesis and testing through which scientific inquiry occurs.
The answer is D: process of hypothesis and testing through which scientists inquiry occurs
Answer:
d edge 2020
Explanation:
2. Heat is:
A. thermal energy
I B. infrared radiation
C kinetic energy
D. molecular movement.
What should you always do at the end of a lab
Answer:clean up the area
Explanation:
A hydrogen electron is elevated from level 1 to level 2. Another electron is elevated from level 2 to level
4. The transition requiring the greatest energy change is
Answer: level 2 to level 4
Explanation:
Answer:
Level 2 to Level 4
Explanation:
Edge 2021
How do electrons behave?
A single paper clip weighs about one gram. So 10 paper clips would weigh?
plz help meh, I think there is trick question!!!
Answer:
Explanation:
Atoms of each element contain a characteristic number of protons. In fact, the number of protons determines what atom we are looking at (all atoms with six protons are carbon atoms), the number of protons in an atom is called the atomic number. In contrast, the number of neutrons for a given element can vary.
I hope I helped you!
Answer:
Atoms of each element contain a characteristic number of protons. In fact, the number of protons determines what atom we are looking at (e.g., all atoms with six protons are carbon atoms); the number of protons in an atom is called the atomic number. In contrast, the number of neutrons for a given element can vary.
Explanation:
So i would say C
what do isotopes have in common
Answer:
Isotopes are atoms of the same element that have different numbers of neutrons but the same number of protons and electrons. The difference in the number of neutrons between the various isotopes of an element means that the various isotopes have different masses.
(if this help pls mark as brainliest :))
Answer:
Number of protons
Explanation:
Isotopes are the same atom of an element with same
number of protons but different number of Neutrons.
A wind up toy that is wound up and moving
Answer:
A wind-up toy is wound up and moving across level ground. The toy is speeding up.
Explanation:
this will or should helpyou
Students learned that objects can exert forces on other objects without touching. Which three investigations will provide evidence what they have learned. a measuring how close a soda can must be before it rolls toward a balloon that has been rubbed
Answer:
b
Explanation:
This beaker is filled with three liquids of different colors and densities. Which color substance is the most dense? How do you know
Answer:
the one at the bottom
Explanation:
the more dense an object is in this kind of demonstration (which is called a density tower btw) the lower it'd be so taking this reason into consideration the lowest would be the densest
An airplane flies 2100 miles in 3hours. What is it’s average speed in miles per hour?
Answer:
700 miles per hour
Explanation:
[tex]average \: speed \\ = \frac{distance}{time} \\ = \frac{2100}{3} \\ = 700 \: miles \: per \: hour[/tex]
i know that they are all pure substances but what else?
Answer :Matter makes up everything visible in the known universe, from porta-potties to supernovas. And because matter is never created or destroyed, it cycles through our world. Atoms that were in a dinosaur millions of years ago—and in a star billions of years before that—may be inside you today. To form water, however, hydrogen and oxygen atoms must undergo chemical changes. For a chemical change to occur, atoms must either break bonds and/or form bonds. The addition or subtraction of matomic bonds changes the chemical properties of the substances involved. Both hydrogen and oxygen are diatomic—they exist naturally as bonded pairs (H2 and O2, respectively). In the right conditions, and with enough energy, these diatomic bonds will break and the atoms will join to form H2O (water). Chemists write out this chemical reaction as:
2H2 + O2 → 2H2O
This equation says that it takes two molecules of hydrogen and one molecule of oxygen to form two molecules of water. Notice that there are the same number of hydrogen atoms and oxygen atoms on either side of the equation. In chemical changes, just as in physical changes, matter is conserved. The difference in this case is that the substances before and after the change have different physical and chemical properties. Hydrogen and oxygen are gases at standard temperature and pressure, whereas water is a colorless, odorless liquid.
Ecosystems have many chemical and physical changes happening all at once, and matter is conserved in each and every one—no exceptions. Consider a stream flowing through a canyon—how many chemical and physical changes are happening at any given moment?
First, let’s consider the water. For many canyon streams, the water comes from higher elevations and originates as snow. Of course that’s not where the water began—it’s been cycled all over the world since Earth first had water. But in the context of the canyon stream, it began in the mountains as snow. The snow must undergo a physical change—melting—to join the stream. As the liquid water flows through the canyon, it may evaporate (another physical change) into water vapor. Water gives a very clear example of how matter cycles through our world, frequently changing form but never disappearing.
Light energy allows these bonds to break and reform to produce sugar and oxygen, as shown in the chemical equation for photosynthesis:
6CO2 + 6H2O + light → C6H12O6 (sugar)+ 6O2
This equation says that six carbon dioxide molecules combine with six water molecules to form one sugar molecule and six molecules of oxygen. If you added up all the carbon, hydrogen, and oxygen atoms on either side of the equation, the sums would be equal; matter is conserved in this chemical change.
When animals in and around the stream eat these plants, their bodies use the stored chemical energy to power their cells and move around. They use the nutrients in their food to grow and repair their bodies—the atoms for new cells must come from somewhere. Any food that enters an animal’s body must either leave its body or become part of it; no atoms are destroyed or created.
Matter is also conserved during physical and chemical changes in the rock cycle. As a stream carves deeper into a canyon, the rocks of the canyon floor don’t disappear. They’re eroded by the stream and carried off in small bits called sediments. These sediments may settle at the bottom of a lake or pond at the end of the stream, building up in layers over time. The weight of each additional layer compacts the layers beneath it, eventually adding so much pressure that new sedimentary rock forms. This is a physical change for the rock, but with the right conditions the rock may chemically change too. In either case, the matter in the rock is conserved.
The bottom line is: Matter cycles through the universe in many different forms. In any physical or chemical change, matter doesn’t appear or disappear. Atoms created in the stars (a very, very long time ago) make up every living and nonliving thing on Earth—even you. It’s impossible to know how far and through what forms your atoms traveled to make you. And it’s impossible to know where they will end up next. This isn’t the whole story of matter, however, it’s the story of visible matter. Scientists have learned that about 25 percent of the universe’s mass consists of dark matter—matter that cannot be seen but can be detected through its gravitational effects. The exact nature of dark matter has yet to be determined. Another 70 percent of the universe is an even more mysterious component called dark energy, which acts counter to gravity. So “normal” matter makes up, at most, five percent of the universe.
Explanation:
the Earth and moon have different forces of gravity.
Which measurement did they not use? *
mass
density
weight
O
volume
Answer:
volume
Explanation:
the mass is the same on earth as it is on the surface of the moon. The weight is determined by the force of gravity. The density is the thickness. But the volume is not a factor.
dimensional analysis 9 lemons = 1 orange How many lemons in 10 oranges?
Which statement describes a controlled experiment? A.) It has one group in which the controlled variable is tested, and another in which the manipulated variable is tested. B.) It has one group in which the responding variable is tested, and another in which the responding variable is not tested. C.) It has one group in which the manipulated variable is tested, and another in which the responding variable is tested. D.) It has one group in which the manipulated variable is tested, and another in which the manipulated variable is not tested.
Answer:C.) It has one group in which the manipulated variable is tested, and another in which the responding variable is tested
Explanation: hope this helps
The statement that describes a controlled experiment is that it has one group in which the manipulated variable is tested, and another in which the responding variable is tested (option C).
What is a controlled experiment?A controlled experiment is an experiment where one variable is tested at a time and all other variables are kept constant.
An experiment consists of a manipulated or independent variable, which is the variable changed, and a responding or dependent variable, which is the variable measured.
Therefore, statement that describes a controlled experiment is that it has one group in which the manipulated variable is tested, and another in which the responding variable is tested.
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Increasing the temperature of a solution will slow down the dissolving/dissolution of the solute.
True
False
Answer:
False
Explanation:
It will actually speed it up
Look at the picture. Assume that all of these substances are in different containers. In all of
these substances, atoms have combined to form
ions
elements
molecules
mixtures
Answer:
Elements?
Explanation:
Im not sure but I think its elements because carbon dioxide is, and the others sound like it too
Which of the following is NOT an extensive property?
Answer:
Density
Explanation:
It's an intensive property because it doesn't depend on mass
plz answer soon need answer
when talking about sodium carbonate reaction as the amount of surface area increases what happens to the rate of this reaction????
rate is faster
rate is slower
rate stays same
Answer:
rate is faster
Explanation:
the rate of reaction increases.
Answer:
The rate is faster
Explanation:
just did it on edg :)
Which is one source from which metamorphic rocks form?
soil particles
igneous rock
molten material
sand particles
Answer:
Option B:igneous rock
Explanation:
Metamorphic rocks are formed as a result of heat and pressure transforming the original or parent rock completely into a new rock. Now this original or parent rock can either be sedimentary, igneous, or another metamorphic rock.
Thus, looking at the options, the only source of metamorphic rocks is from igneous rocks.
Answer:
B
Explanation:
Took the test
Match the labels to the
diagram.
Cell
Vacuole
membrane
Nucleus
Endoplasmic
reticulum
Ribosomes
Lysosome
Golg!
Mitochondrion
body
Answer:
Explanation hope this help and i hope this is the right answer for the question