Answer:
gas
Explanation:
gas is a limited source that one day we might run out of so that's why tesla made cars that run on electricity
What are groups of great white sharks believed to have established
Answer:
Mackerel sharks
Explanation:
Answer:
dominance hierarchies
Explanation:
Jeffry was wondering why when he made breakfast, that after he was done cooking, the mass of everything he used was not the same. What best
describes why this is so, according to the law of conservation of mass.
A: cooking causes water vapor to escape so it cannot be added to the mass
B: cooking makes things solid and that adds to the mass
C: cooking changes the matter so it is different
D: cooking did nothing so he measured the mass wrong
Answer:
the answer is b guys
Explanation:
cooking makes things solid and that adds to the mass
mark brainliest!
The weather in a location is related to
a Air temperature
b Precipitation
c Wind speed and direction
d All of the above
Answer:
all of the above
Explanation:
4 substances containing nitrogen or phosphorous that are related to biological processes
Answer:
DNA, RNA, ATP, and the phospholipids that form all cell membranes
Explanation:
What does the number 3 in 3p^5 represent? *
Myasthenia Gravis is a disease characterized by the production of antibodies against nicotinic acetylcholine receptors resulting in a decrease of functioning receptors at Motor end plates. Physiologically, what might you expect to happen as a result?
a. clonus
b. increased frequency of motor neuron firing
c. chorea
d. paralysis of skeletal muscle
Answer:
The correct answer is - option d.
Explanation:
Myasthenia gravis is an autoimmune condition in which nerve endings are targeted due to the body produces antibodies against receptors of nicotinic acetylcholine which results in less or no functioning of nerve endings of motor neurons mostly.
Options A, B, and C all three conditions are all due to an increase in muscle movement which is not the case as it causes weakness in the muscles due to less functioning in motor end plates.
What is one purpose for the peer-review process in scientific research?
Answer:
Its used as validity, and quality of the articles. The main purpose of it is to filter out poor or invalid articles.
Explanation:
The evolution of new organs usually builds on preexisting structures that are modified in form and sometimes function. The embryos of fish, amphibians, reptiles, birds, and mammals all have pharyngeal pouches or gill slits. These pouches develop into gills in adult fish and they are used to absorb oxygen from their watery environment. These same pouches become parts of the in_________ humans.
a) eyes and lungs
b) ear and throat
c) eyes and nose
d) lungs and heart
Answer:
lungs and heart
Explanation:
lungs and heart is the answer because human lungs is use for gas exchange during respiration or while you breathe. When humans breathe, the lungs absorb oxygen from the inhaled sir into the blood and carbondioxide leaves the blood when we breathe out. The heart pumps the blood, and oxygenated blood are carried in the blood when air is inhaled and carbondioxide leaves the blood when you exhale. The blood carries nutrients and oxygenated blood. Therefore, lungs and heart work hand in hand in absorbtion of oxygen from it's environment.
6. Which of the following is NOT a characteristic of metallic substances?
A. Are malleable and ductile
B. Conduct electricity
C. Have low melting points
I
D. Are usually solids are room temperature
Answer: C. Have low melting points.
Explanation: Metals have high melting points, not low; therefore, C does not belong.
Please answer ASAP! 50 points
Assuming that species 1 is the ancestral species of the group,
(a) What type of mutation do you observe in species III? (1pt)
(b) A change in DNA may cause a change in the protein coded by that specific DNA. Give the main steps of transcription (make sure to mention the antisense strand and the enzyme involved) (3 pts)
(c) In Eukaryotes, the molecule produced by DNA must be modified in order to leave the nucleus. Explain TWO of those modifications. (2 pts)
Which of the following
is not a type of lipid?
A. Fat
B. Steroids
C. Sugar
D. Waxes
Pretty sure the answer is Sugar, Correct me if I'm wrong
Sugar is not a lipid, but it is a carbohydrate. Thus, option C is correct.
What is lipid?Lipid is type of biomolecule, consisting, fats, steroids, waxes, and fat soluble vitamins such as A, D, E, K and others. It is an organic molecule which is hydrophobic or amphiphilic molecule which is insoluble in the water.
Fatty acids are included in the class of carboxylic acids which has long hydrocarbon chain and terminal carboxyl group (COOH). As compare to other molecules found in food that are carbohydrates and proteins, lipids contain more than twice energy.
Lipids play significant role in cell signaling as lipid signaling, which is very vital part of it. It is also involved in immunity, hormones such testosterone, estrogen, cortisol. Fat soluble vitamins play an important role in nutrition.
Therefore, sugar is carbohydrate not lipid. Therefore, option C is correct.
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10 POINTS !!! Why is it risky to build something whose natural frequency can be matched by
external vibrations?
Answer:Most objects have at least one natural frequency of vibration. If a nearby object vibrates at the same frequency, it can cause resonance. Resonance is an increase in amplitude of a vibration that occurs when external vibrations match an object's natural frequency.
Explanation:
It is risky to build something whose natural frequency is matched with external vibrations because of ; The effect of resonance
When an object constructed has a natural frequency which is equal to the frequency of a nearby external vibration, the amplitude of the vibration of the object will increase due to the resonance effect which occurs because the external frequency matches up with the natural frequency of the constructed object.
The negative effect of resonance is the increase in the amplitude of the vibration of the object which might lead to the partial or complete collapse of the constructed object.
Hence we can conclude that It is risky to build something whose natural frequency is matched with external vibrations because of ; The effect of resonance
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On a weather map, wind speeds are related to____.
A. the location of elevation changes
B. the spacing of isobars
C.the spacing of isotherms
D. the location of fronts
I'm just not quite sure.
Answer:
Answer is option (c) because after meiosis cell possess only ones set of chromosome i.e (n)...... 23 chromosome......
Who was one of the first people to identify and observe cells from cork?
Answer:
The first person to observe cells was Robert Hooke. Hooke was an English scientist. He used a compound microscope to look at thin slices of cork.
Explanation:
Sorry if I am wrong let me know if I am.
What is the relationship between species richness - the number of species in
an ecosystem - and ecosystem services?
A. Species richness and ecosystem services are not related.
B. Greater species richness results in more ecosystem services.
C. Greater species richness results in fewer ecosystem services.
D. Species richness and ecosystem services are the same thing.
Answer:
b. greater species richness
Explanation:
because its b
Answer:
B
Explanation:
good luck
A biome is defined by four characteristics
Answer:
Biomes contain many ecosytems within the same area. Land-based biomes are called terrestrial biomes. Water-based biomes are called aquatic biomes. Temperatures, precipitation amounts and prevalent organisms characterized the biomes of the world.
Explanation:
What process is the fastest at releasing oxygen into the atmosphere
Answer:
i believe it would be photosynthesis
Explanation:
Distinguish the types of forgetting: anterograde amnesia, retrograde amnesia, encoding failure, retrieval failure, and interference (both retroactive and proactive).
Answer:
Anterograde amnesia is the inability to create new memories after the onset of amnesia, while memories from before the event remain intact. Brain regions related to this condition include the medial temporal lobe, medial diencephalon, and hippocampus. Anterograde amnesia can be caused by the effects of long-term alcoholism, severe malnutrition, stroke, head trauma, surgery, Wernicke-Korsakoff syndrome, cerebrovascular events, anoxia, or other trauma. Retrograde amnesia is the inability to recall memories made before the onset of amnesia. Retrograde amnesia is usually caused by head trauma or brain damage to parts of the brain other than the hippocampus (which is involved with the encoding process of new memories). Brain damage causing retrograde amnesia can be as varied as a cerebrovascular accident, stroke, tumor, hypoxia, encephalitis, or chronic alcoholism. The there is encoding failure. Encoding is the process of converting sensory input into a form able to be processed and stored in the memory. However, this process can be impacted by a number of factors, and how well information is encoded affects how well it is able to be recalled later. On the other hand, retrieval failure is the failure to recall information in the absence of memory cues. Proactive interference occurs when old memories hinder the ability to make new memories. In this type of interference, old information inhibits the ability to remember new information, such as when outdated scientific facts interfere with the ability to remember updated facts. This often occurs when memories are learned in similar contexts, or regarding similar things. It’s when we have preconceived notions about situations and events, and apply them to current situations and events.Retroactive interference occurs when old memories are changed by new ones, sometimes so much that the original memory is forgotten. This is when newly learned information interferes with and impedes the recall of previously learned information. The ability to recall previously learned information is greatly reduced if that information is not utilized, and there is substantial new information being presented. This often occurs when hearing recent news figures, then trying to remember earlier facts and figures.
Explanation:
Found it on a similar question
help me please!!
the thing is 42 points it’s the most i could put
Answer: I
Explanation:
I’m pretty sure the answer is i
Answer:
h
Explanation:
what is the correct order of the layers of earth starting deep in the center?
Answer:
from deepest to shallowest, the inner core, the outer core, the mantle and the crust.
Explanation:
Starting deep in the center, the correct order of the earth's layers is the inner core, mantle, and outermost crust, where the inner core has a higher temperature and pressure than other layers.
What is the earth?The earth is made up of a core, a mantle, and the outermost crust, where the core has a large pressure and, despite the high temperature, the substance remains solid in nature, and on the crust region, the lithosphere is present, such as the mountains, water bodies, etc. The earth has atmospheric layers, which are further subdivided into the troposphere, stratosphere, mesosphere, thermosphere, and exosphere, and each layer has its own properties, such as the ozone layer in the stratosphere. Life is abundant on earth as a result of all of these favorable conditions.
Hence, starting deep in the center, the correct order of the earth's layers is the inner core, mantle, and outermost crust.
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Which if the following is the most commercially successful fiber, responsible for about half of all fiber production in the world? *
1 point
Cotton
Rayon
Silk
Polyester
Answer:
The correct answer is - polyester.
Explanation:
Polyester is a synthetic, petroleum-based fiber that is used more than any other fiber due to its cost-effectiveness, easy to produce, and able to spun together with other natural and synthetic fibers like cotton, silk, and rayon.
Polyester is the commercially most successful fiber as it has more than 51 percent market share approximately which is more than any other fiber and produced more than half of all fibers.
Which statement describes how heat flows from the coffee to the part of the spoon in the coffee?
Heat flows from the coffee to the spoon through radiation.
Heat flows from the coffee to the spoon through convection.
Heat flows from the coffee to the spoon through conduction.
Heat flows from the coffee to the spoon through radiation, convection, and conduction.
Answer:
C. Heat flows from the coffee to the spoon through conduction.
The heat movement known to move from one area to elsewhere has been called heat transfer. Thermal conduction allows the coffee's heat to reach the spoon. Thus, option C is correct.
What is thermal conduction?A type of heat transfer called thermal conduction occurs when heat flows from one spot to some other place due to the disparity in temperatures between the bodies.
When a body is subjected to thermal conduction, heat energy is dissipated from the body towards the colder or less heated objects. Because the spoon and coffee are at different temperatures, the heat from the coffee is passed to the spoon through conduction.
Therefore, thermal conduction is the process through which the coffee heats the spoon in the cup.
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An exceptionally rainy spring caused many mud slides that covered most of the grass plants and their seeds in soil too deep for successful sprouting. A few seeds were covered in less soil and were able to sprout and reproduce
A. Gene Flow
B. Genetic Drift
list two examples of temporary change in human
Answer:
#IN GIRLS
* adolsence
* menstruation
#IN BOYS
* penis strts turning big
*beard starts coming of face
Answer:
Changes in humans
Explanation:
Girls develop breast and start their period.
Where as boys develop a deeper voice and facial hair will start to appear.
Which career would best suit Callie's interests in the scenario below?
Callie would like to pursue a career where she can research ways to improve the nutrition and treatment of domesticated animals
animal Scientist
animal handler
vetenaran
baner
Answer:
Animal Scientist
Explanation:
which of these factors will affect a population regardless of the populations density ? PLEASE HELP
Answer:
Density independent factors affect populations regardless of their size. Examples are winter, drought, forest fires. These factors are mostly abiotic (non-living). Predation affects population size.
disease
The factors that will affect a population regardless of population density is flooding. The correct option is C.
What is population?A population is the entire group about which you want to draw conclusions. A sample is the specific group from which you will collect data.
The sample size is always less than the total population size. A population for this research does not necessarily refer to people.
A population is a subset of individuals from one species that live in a specific geographic area and interbreed in reproducing species. Some species' geographic boundaries are easy to establish, while others are more difficult.
Population change is influenced by three factors: birth rate, death rate, and migration. Though one or two of these factors may have an impact on a population in a specific area, all three have an impact on population change.
Thus, the correct option is C as the population can be get affected by flooding without regarding their density.
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What is the set of interacting organs and tissues that fulfill one or more body functions ?
Answer:
An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body. Many organs working together to accomplish a common purpose is called an organ system.
The set of interacting organs and tissues that fulfill one or more body functions is done by an organ system.
What do you mean by Tissues?Tissues may be defined as a biological organizational group that lies between cells and a complete organ. It is synthesized by the accumulation of various cells.
An organ system is a biological system comprising a set of organs that work concurrently to perform one or more functions in the body of an organism.
Each organ has to play a specific role in the body of a plant or animal. This property depends on the distinct types of tissues.
Therefore, the set of interacting organs and tissues that fulfill one or more body functions is done by an organ system.
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produces hydronium ions
a) acids
b)base
c) both
Answer:
A: Acid
Explanation:
None
Answer: the answer is Acids
Explanation:
An acid is a compound that dissolves in water to make a particular kind of solution, and hydronium ions can be formed when an acid is present in water or simply in pure water
HELP ASAP
What is the main part of the cells of a plant that contributes to it being an autotroph?
A . ribosomes
B . chloroplasts
C . vacuoles
D . mitochondria
Autotroph means that it can create it's own food and get the energy from other sources (like eating things)
The thing that makes plants autotrophs are chloroplasts.
So the answer is: B