Sounds of over ----- decibels can cause a pain the number of vibration is measured in unit called-----
Answers
The number of vibration is measured in units called Hertz (Hz)
Hert measure the number of sound vibrations.
Related Questions
The cell membrane functions most like a
Answers
Explanation:
The cell membrane is like a security guard because it controls what goes in and out of the cell.
Why is it more difficult to treat fungal infections than bacterial infections in humans?.
Answers
Fungal infections are more difficult to treat than bacterial infections because they are often resistant to drugs. Fungal infections can also be difficult to diagnose because they can mimic other types of infections.
First, fungal cells are more resistant to the effects of antifungal drugs than bacterial cells. This is because the cell walls of fungi are more resistant to the penetration of these drugs.
Second, fungi can develop resistance to antifungal drugs more easily than bacteria. This is because fungi can mutate more quickly than bacteria.
Finally, the immune system is not as effective at clearing fungal infections as it is at clearing bacterial infections. This is because fungi are more adept at evading the immune system than bacteria.
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HELP *20 POINTS*
8th grade science
Answers
Answer:
pyroclastic flow is a fast moving current of hot gas and volcanic matter that flows along the ground away from a volcano at high velocities.
Hotspot is volcanic regions thought to be fed by underlying mantle that is anomalously hot compared with the surrounding mantle
caldera-a large volcanic crater, especially one formed by a major eruption leading to the collapse of the mouth of the volcano.
tephra-rock fragments and particles ejected by a volcanic eruption
epicenter-the central point of something, typically a difficult or unpleasant situation
fault-an extended break in a body of rock, marked by the relative displacement and discontinuity of strata on either side of a particular surface
surface waves- mechanical wave that propagates along the interface between differing media
body waves-A body wave is a seismic wave that moves through the interior of the earth, as opposed to surface waves that travel near the earth's surface. P and S waves are body waves.
sorry if this doesnt help
A bicycle rider increases his speed from 5 m/s to 15 m/s in 10 seconds.
Answers
The cyclist accelerates at a rate of 1 m/s^2.
What is speed?Speed is a unit used to describe how quickly an object is moving in relation to a fixed point. The distance an object moves in a unit of time, commonly measured in meters per second (m/s) or kilometers per hour (km/h), is referred to as a scalar quantity.
How do you determine it?This issue can be resolved using the acceleration formula. This is the equation for acceleration (a):
a=(vf - vi) / t
where t is the amount of time required, vi is the initial velocity, and vf is the final velocity.
In this instance, the time taken (t) is 10 seconds, the final velocity (vf) is 15 m/s, and the initial velocity (vi) is 5 m/s. When these values are added to the formula, we obtain:
(15 m/s - 5 m/s) / 10 s =a
a = 1 m/s^2
The cyclist's acceleration is 1 m/s^2.
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A student is performing an experiment to test whether white rats have a greater appetite than brown rats. A good NULL hypothesis the student could use is:
a. Brown rat appetites will be greater than the appetites of white rats.
b. White rat appetites will not be different from the appetites of brown rats.
c. White rat appetites will be less than the appetites of brown rats.
d. White rat appetites will be different from the appetites of brown rats.
e. Brown rats eat less than white rats.
Answers
A student is doing an experiment to see if brown or white rats have a bigger appetite. The student could utilize the null hypothesis that white rats' appetites are the same as those of brown rats. Here option B is the correct answer.
The idea that there is no discernible difference between the variables being examined is known as the null hypothesis in a scientific experiment. The variables being investigated in the student's experiment are the appetites of brown and white rats.
Because it presupposes that there is no discernible difference in appetite between the two groups of rats, option b, "White rat appetites will not be different from the appetites of brown rats," is a strong null hypothesis. By measuring the appetite of both white and brown rats and comparing the findings statistically, this theory can be tested.
It's important to note that the null hypothesis is not necessarily the truth but rather a starting point for testing. If the results of the experiment do not support the null hypothesis, it may be rejected in favor of an alternative hypothesis that explains the observed differences. However, if the results do support the null hypothesis, it suggests that there is no significant difference between the two groups, and any observed differences may be due to chance or other factors not related to the color of the rats.
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You are studying a population of Dlugosch’s Small Octopus that has been suffering from a skin disease. In your work, you find that some individuals have more resistance (immunity) to the disease than others. You remember learning about life history trade-offs in your Ecology class, and you hypothesize that immunity trades off with investments in other major life history traits in the octopuses. You decide to design a study to test whether higher immunity leads to a lower number of eggs produced by females.
9. State a prediction for what the results of your study would look like if they support the hypothesis given in the Mission.
Make a figure of results that would be consistent with that prediction:
Label y axis with the variable that should be on the
Label x axis with the variable that should be on the
Draw results bars or lines consistent with your prediction
If the infection reduces the population size of the octopus, would you predict an r or a K strategy would be more likely to evolve (based on what we discussed in class)? Explain why that life history strategy would be favored in a small population, and give at least two traits associated with the strategy that you predict.
Answers
If higher immunity leads to a lower number of eggs produced by females in Dlugosch's Small Octopus, then there will be a negative correlation between immunity level and egg production.
A K approach would be more likely to develop if the illness causes the octopus population to decline. Resources are few in a tiny community, therefore long-term stability and survival are prioritized over rapid population expansion. The K approach emphasizes having fewer kids while allocating more resources to ensuring their survival and welfare. In a small population, the following two characteristics connected to a K strategy might be more prevalent:
Increased parental care: Parents invest more time and resources in raising a smaller number of offspring to increase their chances of survival and reproductive success.
Delayed maturation: Individuals take longer to reach reproductive maturity, allowing them to invest more time in growth, development, and building up resources before reproduction.
These traits help ensure the survival and success of the limited number of offspring in a small population, aligning with the K-selected life history strategy.
In this figure, the y-axis represents the number of eggs produced by females, and the x-axis represents the immunity level of the octopuses. The bars or lines would show a decreasing trend as the immunity level increases, indicating a negative relationship between immunity and egg production.
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human chorionic gonadotropin helps to maintain the corpus luteum for the entire gestational period. t/f
Answers
Human chorionic gonadotropin is mostly produced by the syncytiotrophoblastic cells of the placenta during pregnancy. In the corpus luteum, the hormone stimulates the generation of progesterone.
What function does the corpus luteum serve?
The corpus luteum's function is to make your uterus a healthy environment for a fetus to develop, even though it is located inside your ovaries. It causes the production of the progesterone hormone, which gets your uterus ready for conception. Your corpus luteum disappears once it is no longer required for the production of progesterone.
What transpires to the corpus luteum in the absence of pregnancy?
If the egg is not fertilized, the corpus luteum undergoes its alternative fate. After ceasing to secrete progesterone, it will deteriorate and become a corpus albicans. This degradation typically takes place around
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Use the scenario to answer the question.
You observe the growth of a group of plants that have been tipped over.
How will auxin influence cell growth in the roots of these plants?
Auxin will build up on the lower side of the root and inhibit cell growth.
Auxin will build up on the lower side of the root and stimulate cell growth.
Auxin will build up on the upper side of the root and inhibit cell growth.
Auxin will build up on the upper side of the root and stimulate cell growth.
Answers
Auxin is responsible for the growth of cells in the roots of plants. Auxin build up on the lower side of the root which inhibit the cell growth. Auxins have an inhibitory effect on primary root growth. Thus, the correct option is A.
What is Auxin?Auxin is a plant growth hormone, which promotes cell growth and elongation of the plant. In cell elongation, auxin alters the plant wall plasticity making it easier for the plant to grow upwards. Auxin also influences the rooting in the plant.
Auxins have an impact on the growth of roots. Auxins facilitate the initiation of roots in plants. These hormones induce both growth of root branching (root initiation) and roots that are pre-existing. They also play important role in the formation of the adventitious root.
Therefore, the correct option is A.
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which organ are affect by tuberculosis
Answers
Answer:
Usually affects the lungs, but it can also affect other parts of the bady, such as the brain, the kidneys, or the spine
The nervous system is primarily composed of what type of cells?
A stem cells
B white cells
C skeletal muscle cells
D neurons
Answers
Answer:
D. Neurons
Explanation:
Nervous tissue is composed of two types of cells, neurons and glial cells. Neurons are the primary type of cell that most anyone associates with the nervous system. They are responsible for the computation and communication that the nervous system provides.
Answer:
D. neurons
Explanation:
Why is the process of photosynthesis essential to non-plant life forms?
Answers
Answer:
it provides things non plants still need like : oxygen
Answer:
photosynthesis in green plants produce food which is in turn needed for non-plant life
Please help :)
Will water move from the blood to the cell, or from the cell to
the blood?
Which has the higher concentration of water, the cell or the blood?
Does this require energy?
Is this active or passive transport?
Is this diffusion or
osmosis?
Does the blood cause a hypotonic or hypertonic environment for the cell?
What will more likely occur to the cell if the movement of water continues in the same direction,plasmolysis or cytolysis?
Answers
Explanation:
WATER WILL MOVE FROM THE BLOOD TO THE Cell
Cell
No it dosent require energy active
Osmosis
yes it dose have an enviorment
what type of signals does the nervous system send?
Answers
Answers: it sends an electrical signal called the nerve impulses.
Explanation:
Your neurons carry messages in the form of Electric signals called nerve impulses to create a nerve impulse your neurons have to be excited.
Some resources are not readily available for conversion to energy. Which choice below would MOST likely limit the amount hydroelectricity that can be produce and used in the area?
A- Sunlight
B-Wind
C-water
D-biomass
Answers
The amount of water is MOST likely limit the amount hydroelectricity that can be produce and used in the area.
What is hydroelectricity?Hydroelectricity is the electricity which is generated from the water.
Hydroelectricity converts the kinetic energy of moving water current to electrical energy in a dynamo.
Therefore, the amount of water is MOST likely limit the amount hydroelectricity that can be produce and used in the area.
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which mineral's absorption is enhanced greatly by vitamin c? chromium iron manganese sulfur
Answers
Iron absorption is greatly enhanced by vitamin C.
Among the minerals mentioned, the absorption of iron is greatly enhanced by vitamin C. Iron is an essential mineral that plays a crucial role in carrying oxygen throughout the body and supporting various metabolic processes. Vitamin C, also known as ascorbic acid, is a potent enhancer of iron absorption when consumed together. Iron exists in two forms: heme iron, which is derived from animal sources, and non-heme iron, which is found in plant-based foods. Vitamin C predominantly enhances the absorption of non-heme iron. It forms a soluble complex with non-heme iron, which improves its solubility and bioavailability, thus facilitating its absorption in the intestines. Consuming vitamin C-rich foods or supplements in conjunction with iron-rich foods or iron supplements can help increase the absorption of iron. This is particularly beneficial for individuals at risk of iron deficiency, such as vegetarians or individuals with limited iron intake.
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Which cell can survive without the help of other cells?
leaf cell
yeast cell
onion cell
muscle cell
Answers
Answer:
given below:
Explanation:
Q. A single cell organism can do everything a cell from a multi-cellular organism can do EXCEPT
answer choices
specialize
reproduce
use energy
make protein
Which intron component is the first to be cleaved during the splicing process ? O A. 5' splice site B. branch point C. 3' splice site OD. All cleaved simultaneously A bacterium has positively supercoiled DNA. This is likely because A. It doesn't matter if the supercoiling is positive or negative as long as it compresses the DNA B. The bacteria normally grow in high temperature conditions OC. The bacteria don't normally express their genes OD. The bacteria need most of their genes to be active
Answers
The intron component to be cleaved during the splicing process is A. the 5' splice site.
What happens during splicing process?
During the splicing process, the 5' end of the intron is cleaved at the 5' splice site.The introns are spliced out of pre-mRNA during post-transcriptional modification, resulting in mature mRNA after the second step i.e, splicing of 3' splice site. This mechanism entails the removal of introns from pre-mRNA by the splicing process and makes it a mature mRNA.
A bacterium has positively supercoiled DNA, and this is likely because B. the bacteria normally grow in high-temperature conditions.
Positive supercoiling of bacterium DNA helps stabilize the DNA structure in such environments. Otherwise most of the bacterial DNAs are negatively supercoiled.
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Is there a recycling program at your school? write a short essay to convince your principal to start a recycling program. be sure to include what would be your role and how would it benefit the school and community.
Answers
I am writing to strongly advocate for the implementation of a recycling program at our school. As an environmentally conscious student, I believe that this initiative will greatly benefit our school and community in several ways.
Firstly, by starting a recycling program, we would be actively promoting sustainable practices and instilling eco friendly habits among students and staff. This program would provide us with the opportunity to educate our peers about the importance of recycling and how it positively impacts the environment. Moreover, a recycling program would serve as a valuable educational tool, fostering environmental consciousness among students and encouraging them to take responsibility for their actions.
My role in this program would be to serve as a student representative actively participating in the planning and implementation process. I would help in organizing awareness campaigns, conducting workshops and encouraging my fellow students to actively participate in recycling efforts. The school staff, including custodians and maintenance personnel, will play a crucial role in implementing and maintaining the recycling program. They will be responsible for providing the necessary recycling bins, ensuring regular collection and proper disposal of recyclable materials.
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Provide the primate suborders for each classification scheme.
a. Evolutionary Systematics
b. Cladistics
Answers
The primate suborders for each classification scheme are as follows:a. Evolutionary SystematicsStrepsirhines (Prosimii)Tarsiers (Tarsioidea)Anthropoids (Anthropoidea)Platyrrhines (New World monkeys)Catarrhines (Old World monkeys, apes, and humans.
b. CladisticsProsimiansAnthropoidsStrepsirrhinesHaplorhinesThe cladistics classification scheme is a recently developed approach that groups organisms together according to their evolutionary relationships.
The evolutionary systematics classification scheme is an older method of categorizing organisms that relies on physical characteristics such as anatomy, behavior, and habitat.
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You are studying a winter-annual Arabidopsis plants. You identify a strain in which the COLDAIR RNA is unstable and is degraded immediately after synthesis. When do you expect this plant to flower? Multiple Choice A. These plants will flower once veralization has occurred, but wat not require favorable conditions B. These plants will flower when conditions are favorable, but will not require vernalization
C. The plant will always be able to flower D. The plant wil never be able to flower
Answers
This plant is going to bloom These plants will bloom when the conditions are right, but they won't need to be vernalized. The correct answer is (B).
Sugarbeets, cabbage, and carrots are a few examples. Garlic is typically planted during the winter because it thrives in cold temperatures (vernalization).
One model is vernalization, the interaction by which blooming is advanced as plants sense openness to the cool temperatures of winter. An adaptive trait called a requirement for vernalization prevents flowering before winter and allows flowering in spring when conditions are favorable.
Rice never goes through vernalization. Different yields, like wheat, grain, and rye, which have spring and winter varieties, require cold treatment to set off the photoperiodic reaction of the plants.
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El Niño is an event where the normally strong winds along the equator are much weaker than usual, causing warm surface water along the equator to pile up. Do these images represent a normal circulation pattern or an El Niño pattern? Explain your response.
Answers
Yes, because In 1997, El Niño had not spread as far across the equator in comparison to 2015. During an El Niño event, warm ocean waters accumulate in the central and eastern tropical Pacific, disrupting the normal atmospheric circulation patterns.
What is the El NiñoEl Niño refers to a climatic occurrence marked by the increase in temperatures of the ocean's surface in the central and east areas of the tropical Pacific Ocean. It has the potential to cause considerable changes in global weather phenomena.
The intensity and scope of El Niño occurrences differ annually. The year 2015 experienced a robust El Niño, which had significant and far-reaching impacts on weather systems around the world.
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what is Q in the nernst equation in the context of a neuron?
Answers
Q is the reaction quotient in the nernst equation in the context of a neuron.
Cell potential steadily falls until the reaction reaches equilibrium, at G=0. Q=Keq when the system is in equilibrium. Moreover, since G=0 and G=nFE at equilibrium, E=0. The equation above shows that the equilibrium constant, Keq, is inversely proportional to the reaction's standard potential.
The Nernst equation makes it possible to predict with precision the electrical potential across the membrane at equilibrium for a straightforward hypothetical system with only one permeant ion species. As an illustration, the membrane potential will be -116 mV if the K+ concentration on side 1 is increased to 100 mM.
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In which phase are chromosomes least condensed?a. metaphaseb. prophasec. anaphased. interphasee. telophase
Answers
d. Interphase.
Interphase is the phase of a cell's cycle when it is not actively dividing. During interphase, a cell's chromosomes are least condensed, and the DNA is replicated in preparation for cell division. Chromosomes are found in their extended, or chromatin, form.
Chromosomes become more condensed as the cell progresses through the other phases of cell division, such as prophase, metaphase, anaphase, and telophase. During these phases, chromosomes are progressively condensed until they are condensed enough to be visible under a microscope.
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Depressants _____________ the functioning of the central nervous system. Some examples of these drugs include alcohol, __________, and ____________.
Answers
Depressants decreases the functioning of the central nervous system. Some examples of these drugs include alcohol, barbiturate and benzodiazepines.
Central nervous system depressants are class of drugs that slow brain activity, are useful for treating anxiety, panic, and sleep disorders.
Central Nervous System (CNS) depressants are medicines that include sedatives, tranquilizers, and hypnotics. Sedatives primarily include barbiturates but also include non-benzodiazepine. Three major types of CNS depressants are sedatives, hypnotics, and tranquilizers. Drugs that are classified as CNS depressants include Alcohol and Barbiturates.
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Three examples of Symbiosis that includesthe following: Muualis,
Commensalism, Parasitism, ExplEcosystems
Answers
Symbiosis refers to the close interaction between two different species, often with mutual benefit. Three examples of symbiosis that include mutualism, commensalism, and parasitism are lichens, barnacles, and fleas, respectively.
1. Mutualism: Lichens are an example of mutualism in which fungi and algae live together in a symbiotic relationship. The fungi provide protection and nutrients for the algae, while the algae provide sugars for the fungi. This allows the lichens to survive in harsh environments such as deserts and tundras.
2. Commensalism: Barnacles are an example of commensalism, where one species benefits while the other is unaffected. Barnacles attach themselves to the skin of whales and feed on the plankton in the water that the whales stir up as they swim. The whales are not harmed or helped by the barnacles.
3. Parasitism: Fleas are an example of parasitism, where one species benefits while the other is harmed. Fleas feed on the blood of their hosts, such as dogs and cats, and can transmit diseases. The hosts are harmed by the fleas and can suffer from itching and skin irritation.
Symbiosis is the relationship between two different species that interact closely with each other. These interactions can include mutual benefit, no benefit, or harm to one of the species involved. There are three different types of symbiosis: mutualism, commensalism, and parasitism.
Mutualism is a type of symbiosis in which both species involved benefit from the relationship. Lichens are an excellent example of mutualism. Lichens are formed when fungi and algae come together to form a symbiotic relationship. The fungi provide the algae with nutrients and protection, while the algae provide the fungi with sugars they make through photosynthesis. This allows the lichens to grow and thrive in harsh environments where neither the fungi nor the algae would be able to survive alone.
Commensalism is a type of symbiosis in which one species benefits from the relationship, while the other is unaffected. An example of commensalism is the relationship between barnacles and whales. Barnacles attach themselves to the skin of whales and feed on the plankton in the water that the whales stir up as they swim. The whales are not harmed by the barnacles and are neither helped nor harmed by their presence.
Parasitism is a type of symbiosis in which one species benefits from the relationship, while the other is harmed. Fleas are a good example of parasitism. Fleas feed on the blood of their hosts, such as dogs and cats, and can transmit diseases. The hosts are harmed by the fleas and can suffer from itching and skin irritation.
In conclusion, symbiosis is an essential part of many ecosystems. The different types of symbiosis can have a significant impact on the health and survival of the species involved. Mutualism, commensalism, and parasitism are three examples of the different types of symbiosis that can occur in nature.
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I have asked this question 3 times and people keep taking the points :(
What type of faulting is found where two slabs of the continental lithosphere are converging?
Answers
Answer:
When 2 slabs of continental lithosphere collide, it creates mountains.
Explanation:
if the shape does not fit, they cannot bond, and NO_____.
Answers
A form of arthritis is a common complication of dysentery.
True
False
Answers
Answer:
false
Explanation:
What were the independent, dependent, and control variables in your investigation? Describe the variables for the simulation with the moths and birch trees.
Answers
The experiment is not found here but dependent variables may include the growth rate of moths, whereas the independent variable may be the temperature and the control is water.
What is a dependent variable?A dependent variable is the variable that is being modified by the conditions of the experiment (in the example, the growth is dependent on the temperature).
Moreover, a control variable is any condition that remains constant throughout the experiment (in this case, the amount of supplied water).
In conclusion, dependent variables is the growth rate, whereas the independent variable is the temperature and the control is water.
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Amylase is secreted in two regions of human alimentary. Why? Support your answer
with scientific evidence.
Answers
Answer:
Amylase is an enzyme that is involved in the breakdown of complex carbohydrates into simple sugars such as glucose. It is secreted in two regions of the human alimentary canal: the mouth and the pancreas
Explanation:
In the mouth, amylase is secreted by the salivary glands and begins the process of breaking down starch into maltose. the pancreas, amylase is produced and secreted into the small intestine. The pancreas produces both pancreatic amylase and salivary amylase, but the pancreatic amylase is more important because it can break down the remaining complex carbohydrates that have not been fully digested in the mouth. This is necessary because the small intestine is the primary site of nutrient absorption, and carbohydrates must be broken down into simple sugars before they can be absorbed by the body.
Amylase is secreted in two regions of the human alimentary canal because carbohydrates are present in different forms and need to be broken down into simpler forms before they can be absorbed by the body