The liquid oxygen machine producing less liquid oxygen than normal because liquid oxygen cover less space than gaseous oxygen.
What is liquid oxygen?Liquid oxygen will be formed when we compressed the gaseous oxygen into the small volume.
The portable unit carries more oxygen and is significantly lighter than a normal oxygen gas cylinder because oxygen in its liquid state takes up less space and can be stored at far lower pressures than oxygen in its gaseous state.
Hence the liquid oxygen machine producing less liquid oxygen than normal because in the gaseous state it will expands and cover more space.
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PLEASE HELP!!!!!!!!!! DOING A TEST
Organisms use sugars, also called ____________, for energy.
Which term best completes the sentence?
a. proteins
b. nucleic acids
c. lipids
d. carbohydrates
Answer:
answer is D) carbohydrates
Which of the following is true about metallic bonding?
A. They dissolve in water
B. Found in metals; holds metal atoms together very strongly
C. Formed between nonmetallic elements
Answer:
I think the answer is option B
I need help on science (plz don't give helpless answer)
Answer:
#3 c #4 A
Explanation:
List examples of organisms from the movie that represent each of the six kingdoms. Monera (Archaebacteria/Eubacteria): Protista: Fungi: Plantae: Animalia
Answer:
since the movie was unlisted, i'm unable to provide you with a proper answer? sorry
Explanation:
1) Archaea / Bacteria
2) Protists
3) Fungus
4) Plant
5) Animal
Tell me what the temperature is like in the water and in the air surrounding Christchurch.
identify 3 energy resources and indicate if each one is renewable or non renewable
this is for a very important exam that I have, I hope you can answer :)
Which of the following that are examples of a physical property of matter. Select all that apply.
Iron (Fe) combines with Oxygen (O) to form rust.
The apple is red in color.
Copper (Cu) conducts electricity.
An apple oxidizes (turns brown) once it is cut and exposed to Oxygen (O).
Nickel (Ni) is magnetic.
Magnesium (Mg) combusts when exposed to Oxygen (O).
Water boils at 100ºC.
Answer:
the apple is red copper conducts electricity nickie is magnetic water boils at 100
Explanation:
the rest are chemical properties
Give the scientific names and describe three polymers used in engineering.
Answer:
Synthetic polymers are human-made polymers, often derived from petroleum oil. From the utility point of view they can be classified into three main categories: thermoplastics, elastomers and synthetic fibers. They are commonly found in a variety of products worldwide.
Explanation:
Paul turns up the volume on his TV. The TV sends an electrical signal to the speakers. The signal changes the sound's...
A. decrease its wavelength
B. decrease its frequency
C. increase its amplitude
D. increase its speed
Answer:
The answer is C
Explanation:
Hope this helps! :)
1. What is different about the way molecules move in liquids?
2. What is different about the way molecules move in gases?
(Please help ASAP I will mark brainliest!! (: )Which of the following describes what happens when a cell uses energy to transport something across the cell membrane?
1.osmosis
2.diffusion
3.passive transport
4.active transport
Answer: 4. Active Transport
4. is the answer, or not dont take my word for it.
Which form of heat transfer is letter A in the image below pointing to?
Answer:
convection
Explanation:
hot less dense water rises, water cools and become more dense and sinks creating a convection current.
A cell has lost the ability to release energy from glucose for the cell to use. In which of the following cell structures would this energy conversion be performed?
A nucleusnucleus
B mitochondriamitochondria
C cell membranecell membrane
D cytoplasm
A cell has lost the ability to release energy from glucose for the cell to use. Mitochondria would this energy conversion be performed. Therefore, option B is correct.
What is mitochondria ?Small structures found in the cytoplasm of a cell. Mitochondria produce the majority of the cell's energy and have their own genetic material that differs from the genetic material found in the nucleus.
The classic role of mitochondria is oxidative phosphorylation, which produces ATP by utilizing the energy released during food oxidation. In turn, ATP serves as the primary energy source for the majority of biochemical and physiological processes.
Our glucose molecules are transported by mitochondria through a process known as cellular respiration, which is essentially just a process of breaking down and converting glucose by combining oxygen with a glucose molecule.
Thus, option B is correct.
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HELP MEEEEEEEEEEEEEEEEEEEEEEEEEE
Gold is a natural resource, because it occurs naturally in the environment and humans use it. Gold cannot be made from other substances, and there is a finite supply of it.
What is gold an example of?
A. a fossil fuel
B. a renewable resource
C. a nonrenewable resource
D. a natural pollut
Answer:
Answer below:
Explanation:
A nonrenewable resource
Gold is a metal formed naturally. It is not so abundant in earth and become exhausted when consumed through excavation. Hence, gold is a non-renewable source.
What are renewable resources?Renewable resources are those which never ends as we consumed and can be recycled the used amount as well. Whereas non-renewable resources are no more when we exhausted the existing amount.
Solar energy, wind energy, hydrothermal energy etc are renewable sources. Metals, minerals, nuclear power, coal, fossil fuels etc. are examples of non renewable resources.
Gold is a natural metal used have significant importance and expensive. It cannot made from other substances. Hence, once all the existing gold are taken through mining there will be no more gold. Hence, it is a non-renewable resource.
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Which of the following is NOT true about the density pattern of the planets.
a
The outer planets are composed of gas o ice with dense, solid cores.
b
The terrestrial planets have molten, dense cores.
c
Gravity pulled denser materials to the center of each planet in its formation.
d
The outer planets are more dense than the terrestrial planets
Answer:
d
Explanation:
The four inner terrestrial planets are dense compared to the four outer planets. The inner planets are made up mainly of dense, solid rock. The outer planets are composed primarily of gas, so their overall density is lower. However, they are larger in size and much more massive!
The invisible spectrum contains all the colors of the rainbow.
A.)True
B.)False
Answer:
False
Explanation:
We can see the colors of the rainbow, therefore they are visible.
Can someone plz help me
True or false. All mollusks are cemented permanently to the ground
Answer:
False
Explanation:
Mollusks are living organisms that can move around often, like mussels and clams, and oysters.
The statement "All mollusks are cemented permanently to the ground" is definitely false.
What are mollusks?Mollusks may be defined as a type of living organism that has a soft-bodied invertebrate of the phylum Mollusca, usually wholly or partly enclosed in a calcium carbonate shell secreted by a soft mantle covering the body.
According to the context of this question, mollusks also have the ability to move around their surrounding in order to facilitate their survival and interactions with other living forms. The characteristics of mollusks may include a mantle with a mantle cavity, a shell (except where lost), visceral mass, a foot, and a radula. The odontophore is in the mouth of most mollusks and it supports the radula.
Therefore, the statement "All mollusks are cemented permanently to the ground" is definitely false.
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Help me, no links, no i don't knows. reading science sheet
Answer:
Heat is a form of energy that moves from hot things to cold things. In other words, heat is energy that flows from objects with a high temperature. Temperature is the average kinetic energy of the particles in an object and is measured using a thermometer.
Heat can move from object to object in three ways. One way that heat flows is called conduction, which occurs when two objects are touching.
In conduction, the particles in the high temperature object are vibrating quickly compared to the low temperature object. When the particles in the high temperature object bump into the particles in the low temperature object, the low temperature object's particles begin to vibrate more quickly. Another form of heat transfer is convection, which occurs in liquids and gases. In convection, the part of the liquid or gas with high temperature is less dense than the part with low temperature so the high temperature parts rise and the low temperature parts sink.
In both conduction and convection, heat is transferred through a material. However, heat energy can also travel through empty space in a third way called radiation, which is how heat travels from the sun to the Earth.
Which of the following is true about ecological succession?
Succession leads to equilibrium in an ecosystem
Succession prevents ecosystems from reaching equilibrium
There is no relationship
Succession and equilibrium are the same thing
what is the correct answer free brainly
Many years ago, a scientist named Gregor Mendel,grew pea plants that produced wrinkled peas. Thepeas from these plants produced new plants that alsoproduced wrinkled peas. Mendel concluded thatsomething in the parent plants was being transmittedto the next generation. This discovery is now known
A)genetic engineering
B)biological evolution
C)heredity
D)natural selection
help asap please help no links
Answer:
Food or Sun
Explanation:
I'm not sure if it's food or sun, but try both
Explain what happens when something dissolves.
Answer:
During dissolving, particles of solvent collide with particles of solute. They surround the particles of solute, gradually moving them away until the particles are evenly spread through the solvent.
How many atoms of each element are in 2C(NO_2)_2?
You are planning an investigation that explores properties of matter.
Which of the following will help you discover a physical property?
Experiment: place a powder into a beaker that contains a liquid
Result: the beaker gets hotter
Experiment: place a powder into a beaker that contains a liquid
Result: the solid dissolves into the liquid
Experiment: place a powder into a beaker that contains a liquid
Result: the mixture begins to fizz and bubble
Experiment: place a powder into a beaker that contains a liquid
Result: the mixture catches fire and burns down the lab
Answer:
Placing a powder into a beaker that contains liquid, resulting the beaker to get hotter.
Explanation:
Physical property is something that you can observe that does not affect the mixture/solution/substance, and that includes temperature
How does wind energy work?
Answer:
The basic working principle of a wind turbine is to convert the mechanical energy from the wind into rotational energy at the mill, then the rotation of the mill is used to rotate the generator, which will eventually generate electricity. This tool serves to change the low rotation of the wheel into high rotation.
Answer:
Wind power actually starts with the Sun. In order for the wind to blow, the Sun first heats up a section of land along with the air above it. That hot air rises since a given volume of hot air is lighter than the same volume of cold air. Cooler air then rushes in to fill the void left by that hot air and then a gust of wind happens.
Where do mutations occur?
Answer:
in the cell during mitosis or during meiosis
Explanation:
Please work out all the problems on this page, no links, no i don't knows please do not take advantage of me or my points please actually answer these questions
Cell mutations within a DNA sequence are...
Answer:
a natural processes that produce genetic diversity.
Explanation: