Answer:
A. Wood
Explanation:
Material is a physical object (something made up of molecules, atoms etc.)
Other listed options are characteristic of that given material. For example, an iron bar is a material, but its shiny lustre is its characteristics.
The material out of the given options is wood. Hence, the correct option is (A) Wood.
Material is something that is used to produce an item or thing. It is an essential element of the natural or synthetic substances that are employed for the manufacturing of different products. Material is used in everyday life as well as in the technical industry.
It refers to a substance that can be used as a raw material or as a semi-manufactured product to make an end-product. Materials are used to create a wide range of things, including clothing, food, medicines, buildings, automobiles, and other consumer goods.
Materials can be classified based on a variety of characteristics, including their composition, structure, and properties. Types of Materials: Materials can be classified into the following categories:
1. Natural materials, which include wood, rubber, and leather
2. Synthetic materials, such as nylon and polyester
3. Semi-synthetic materials, such as rayon
4. Composite materials, which include concrete and fiberglass
5. Electronic materials, which include semiconductors and superconductors
Features of materials: Materials have some characteristics, such as a particular physical and chemical composition, density, texture, and color, that differentiate them from other substances. Furthermore, materials can have a variety of properties, including thermal conductivity, electrical conductivity, tensile strength, ductility, and malleability.
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what type of properties change in a physical change?Give an example to support the answer?
Why does water stop traveling through the soil and remain in an aquifer?
Answer:
Water remains in an aquifer because it has met up with an impermiable layer of clay or rock.
I need help assay about Biopsychology can someone help me?
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✍︎ The core assumption of a biopsychological approach is the fact that illness and health come as a result of a given interplay. In this case it should be known that this interplay revolves around factors like psychological, social and even biological aspects. Most notably, there is always an initiative and attempt to understand the aspect of psychopathology that is done through proper examining.
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꧁❁ ⁱ ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ ❁꧂
Which of the following terms describes the distribution of a particular allele
within a population?
A. Allele dominance
B. Allele strength
C. Allele frequency
D. Allele density
Please help me
Answer:
Option : B Allele frequency...Explanation:
The answer is allelic frequency. This is also the fraction of a particular allele of a gene in the population. please marks me as brainliests..please for my answer please...what is the function of neurotransmitters?
neurotransmitters are often reffered to as the body's chemical messangers. They are the molecules used by the nervus system to transmit messages between neurones, or from neurones to muscles. Communication between two neurones happens in the synaptic cleft (the small gap between the synapses of neurones).
Discuss the origin of the Neandertals in terms of biological adaptation and other forces of evolution.
Answer:
Neandertals are closest relative to modern humans as their large brains size had to do with their meat diets. There were many theories including the Allens theory or Bergman theory their larger nasal apertures to cold environments.
Smaller bodies are adapted to more hot climates, and larger bodies are adapted to more cold climates as per Bergman's rule. Allen's rule says that the principle that limbs are longer in hot environments and shorter in cold environments.
How do scientists create models of past and future climate?
Answer:
To understand how our world is evolving, scientists use computer programs called climate models to forecast future climate. Climate models function in the same way that a computer lab does. Climate models are computer programs that scientists use to analyze how our world is changing.
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have a great day!!
) A field biologist finds an unfamiliar single-celled organism in a sample from the surface of a marshy area. What observations or tests would make it possible to determine whether it is a protozoan, fungus, or alga
Answer:
Genetic analysis, structure analysis and study the behaviour.
Explanation:
Genetic analysis, structure analysis and study the behaviour of organisms are the observations or tests that would make it possible to determine whether it is a protozoan, fungus, or algae because these analysis provides information about the genetic makeup and structure of their cell. If the cell wall is made of chitin then it is considered as fungi, if the cell wall is made of peptidoglycan then it is an algae and if the cell wall is not present then it is considered as animals like protist.
Below are portions of a haplotype sequence from three individuals. Each base represents a SNP found at a distinct position in the genome. Which of these haplotypes are most closely related based upon the SNPs provided here?
Haplotype
A 5'...ATCGATAATCCCCTTAG...3
B 5'...ATTGATCATCCCCTAAG...3
C 5'...ATCTATCATCAGATACG...3
a. A, B, and C are all similarly related
b. A and B
c. B and C
d. A and C
The correct answer is A and B
HELP ASAP!!!! 50 points!!
In this task, you’ll record the direction of a compass as it’s placed at different points around a magnet. The investigation will try to answer the question, Do two magnets create magnetic force fields that allow them to interact without touching?
Part D :
How might someone dispute the results of this investigation? How might you counter the argument?
Answer:
It could be argued that there is a separate force acting upon the investigation. Or that the room is invalidating the results for some reason. Or that an error was made in measurement.
There are a thousand and one ways to try to dispute an investigation like this. However, for every argument that can oppose it, a counterargument can easily be made.
For instance, controlling the variables invalidates about 90% of any possible claims to the contrary. The majority of arguments would stem from the fact that it is nearly impossible to completely prove something in fear of external factors. The solution? Control the external factors.
So, in conclusion, a person could dispute the results of the investigation by claiming that something invisible like magnetics could not possibly be proven to exist, because there are all sorts of things that could be influencing the investigation. The way to counter the argument would be to prove yourself that the environment is controlled, and that nothing could be influencing the investigation.
Answer:
guy ontop is correct
Explanation:
define cell and atom
Answer:
cell is the structural and functional unit of live.
Atom are the smallest particle of chemical element
Write the name of the nutrients present in each of these food items. eggs bread fruits fish milk chocolates oil potatoes
Answer:
what your Question
Explanation:
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Different cell types and tissues express different sets of genes; for example, some genes are expressed primarily in the heart, others primarily in the brain, and still others primarily in the liver. This is possible because all of these cell types have ____________.
a. different sequence variants that control gene expression
b. different ordering of genes on chromosomes
c. different histone and DNA modifications
d. different sets of genes
Answer:
d.Different sets of genes.
Explanation:
A cell normally only expresses a percentage of its genes and various cell types are created by the expression of distinct gene sets. In addition, in response to changes in their environment, cells can alter the pattern of genes they express, such as signaling from neighboring cells.
What is the biggest problem of over use of pesticides
Answer:
There have been many issues that have been seen to arise due to the over use of pesticide including:
Explanation:
Overuse has been linked to cancer, Alzheimer's Disease, ADHD, and even birth defects. Along with being reporting to have the potential to harm the nervous system, the reproductive system, and the endocrine system.
Answer:
Pollution.
People applying them are exposed to toxic chemicals. People who live nearby can be exposed too with wind blowing them around.
With rain or just watering of plants, the pesticides 'run off' and end up in water supplies, rivers, lakes, and eventually oceans.
Also, organisms can mutate and make pesticides useless.
Post Lab Report Part II 6. The probability that the two offspring you produced share every genotype in common is extremely low. Explain why they are likely to be different. 7. How would genetic variability be affected if more chromosome pairs were added? What about if another partner was added?
Answer:
Explanation:
Answer to 6:
The probability of two offspring with the same genotype is very low because due to recombination between the chromosomes of the father and mother each gamete has a different composition of genetic material. The only chance that they share the genotype is if they were zygotical twins.
Answer to question 7:
When you increase the number of chromosomes the variability will increase too.
A carrot would be an example of a _______ system
a carrotwould be an example of a top Root system
A scientist finds that another molecule has contaminated the mixture he is working with in the lab. When he analyzes its chemical structure, he finds that it contains uracil, is single stranded, and contains phosphate. What molecule has likely contaminated his mixture?
nucleotide
protein
DNA
RNA
Answer:
RNA
Explanation:
A ribonucleic acid (RNA) is one of two types of nucleic acid made up of nucleotide subunits. RNA is a single stranded molecule unlike DNA, which is double stranded. The nucleotide unit of nucleic acids is composed of a nitrogenous base (Adenine, Guanine, Cytosine and Thymine/Uracil), a pentose sugar (ribose and deoxyribose) and a phosphate group.
One of the key structural differences between RNA and DNA is that RNA contains URACIL nitrogenous base instead of THYMINE in DNA.
According to this question, a scientist finds that another molecule has contaminated the mixture he is working with in the lab. When he analyzes its chemical structure, he finds that it contains uracil, is single stranded, and contains phosphate. This illustrates that the contaminating molecule is a specific type of nucleic acid called RNA.
Answer:
rna
Explanation:
What is humus made of? (Select all that apply.)
A. earthworms
B. nutrients
C. bacteria
D. rocks
Answer:
A. earthworms
B. nutrients
C. bacteria
Explanation:
Humus is rich in organic matter and also is abundant in inorganic mineral nutrients.
(*) Sorry for my late answer but I hope this helps others that are looking for this.
100% in the test ;)
Humus is made of Earthworms, nutrients and bacteria. So, the correct options are A, B and C.
What is Humus?Humus is the soil's black organic material that results from the breakdown of plant and animal debris. It is a type of organic material for soil. It has a lot of nutrients and keeps the soil moist. The Latin word for "earth" or "ground" is humus.
Humus is described as a dark organic substance that develops in soil as a result of plant and animal debris decomposing. It is organic and dark in colour because carbon has accumulated there. It contains elements that are crucial to maintaining healthy soil. Earthworms, nutrients, and microbes make up humus.
Because humus is a feature of loamy soils, the high concentration of nutrients in the soil is caused by humus. Humus reduces a substance's porosity by obstructing the pores that permit the passage of water and air.
Therefore, the correct options are A, B and C.
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what is the meaning of bio
Answer:
A biography, or simply bio, is a detailed description of a person's life. It involves more than just the basic facts like education, work, relationships, and death; it portrays a person's experience of these life events. ... Works in diverse media, from literature to film, form the genre known as biography.
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Which toxin is of particular concern for the infected host if antibiotics are used resulting in mass pathogen lysis? Cholera toxin Tetanus toxin Botulinum toxin Endotoxin
Answer: Endotoxin
Explanation:
Antibiotics generally target the cell walls of bacteria with the aim to dissolve it so that the body's immune system can be better able to attack it. When the antibiotics target these cell walls, pathogen lysis occurs and ruptures the cell.
Endotoxins are located in those cell walls and once free, are a source of concern because they can cause an array of medical problems with inflammation being amongst the mildest.
╭☞ Which toxin is of particular concern for the infected host if antibiotics are used resulting in mass pathogen lysis?
ANSWER:╭☞ Endotoxin
Explanation:
Base on our researcher endo toxin is particular concern for the infected host if antibiotics are used resulting in mass pathogen lysisFor More Information:
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Which of the following statements is true of cartliage and bone development
Answer:
Some cartilage becomes bone through ossification during childhood development.
Explanation:
You forgot to include options.
Define the term akaryotes and give one example
Answer:
These are cells without nucleus or nuclei.
Example: Red blood cells.
Why do you think during the evolutionary process there was a correlation between brain size increasing while cecum size decreased in the omnivores?
How does insect respiration differ from that of vertebrate respiration? How do they manage to respire?
Answer:
Brain size increase due to find out improved quality diets whereas cecum size decrease due to reduction of its need.
Explanation:
Brain size increased due to the need to increase the mental capacity of an organism in order to explore the environment for the survival such as search for improved quality diet and the cecum size decreased because omnivorous diet improved due to the reduction of its need as a component of the digestive system. Insects have different respiration system as compared to vertebrates because vertebrates uses lungs for respiration whereas the insects uses tracheal tubes for the absorption of oxygen and removal of carbondioxide gas.
Which insect when compared with each other leaves a distinct frass trail?
Choose the best answer.
a. Citrus leafminer
b. Citrus peelminer
Among the two options, the insect that leaves a distinct frass trail is the citrus leafminer (option a).
The citrus leafminer (Phyllocnistis citrella) is a small moth that infests citrus trees. Its larvae mine within the leaves, creating serpentine tunnels or trails as they feed on the leaf tissue. These feeding tunnels are often accompanied by visible frass, which is the excrement or waste material produced by the insect.
The distinctive frass trail left by the citrus leafminer is a characteristic sign of its presence and activity. As the larvae tunnel through the leaf, they push out frass along the length of the feeding tunnel. This frass appears as dark, winding lines or trails on the surface of the leaf, following the path of the larval mining activity.
On the other hand, the citrus peelminer (Marmara gulosa) is another insect that infests citrus trees but does not leave a distinct frass trail. The larvae of the citrus peelminer mine under the citrus fruit peel, causing irregular winding tunnels within the fruit. However, they do not leave visible frass trails like the citrus leafminer.
Therefore, when comparing the two options, the citrus leafminer (option a) is the insect that leaves a distinct frass trail, making it a useful diagnostic characteristic for identifying its presence and distinguishing it from other pests infesting citrus trees.
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An example of a pressure vessel is
Answer:
A closed container designed to hold gases or liquids at a pressure substantially higher or lower than the ambient pressure
in what ways are forest non-renewable? in what ways can they be renewable resources?
Answer:
A renewable resource is a natural material that is replenished in the environment through natural processes. These materials can be used indefinitely, as long as they are not consumed at a rate faster than they can be restored.
A white colony growing on mannitol salt agar tests negative for coagulase and novobiocin sensitivity. This bacterium is most likely ________________
A white colony growing on mannitol salt agar tests negative for coagulase and novobiocin sensitivity. This bacterium is most likely ________________
Streptococcus pyogenes.
Staphylococcus epidermidis.
Stpahylococcus saprophyticus.
Staphylococcus aureus.
Answer:
for the first it is Staphylococcus saprophyticus. and for the second it is Streptococcus pyogenes.
Explanation:
Answer:
1. Staphylococcus aureus.
2. Staphylococcus epidermidis.
Explanation:
What kind of interaction does this image show, which acts as limiting factor on the fish?
A. mutualism
B. Parasitism
C. Commensalism
D. Predation
E. Exploitation competition
Answer:
Predation
Explanation:
The cat is the predator and the fish is its prey.
Answer:
predation
Explanation:
because
Which of the following statements depend on the absolute dating of events?
Answer:
The statement that depends on the absolute dating of events is this: The oldest Earth rocks are 3.9 billion years old. Absolute dating is the method of determining the specific date of an archaeological or paleontological artifact.
Answer:
It says that the oldest Earth rocks are 3.9 trillion years old, and they depend on the absolute adaptations of events. Absolute dating is the mechanism through which an archaeological or paleontological artifact determines a particular date.
120 million years ago, birds diverged from the related dinosaurs.3.9 billion years old is the oldest Earth rock.Explanation:
Geologists must often know the material age they encounter. They use absolute data systems, sometimes referred to as numerical dates, to provide rocks with the actual date or date range for years to come. It differs from relative dates, which only time-consuming geologic events.
In contrast to the relative date, the absolute date represents a certain age or range which places occurrences among events without age being measured. The most absolute ages for rocks are reached by radiometric methods. Minerals are radioactive in rocks like geological watches.
Which experiment would most likely contain experimental bias?
Choices see photo…
Answer:
A. A company that makes pain relief medication tests the effectiveness of their own medicine compared to that of three other brands.
