EASY 7TH GRADE SCIENCE QUESTION FIRST PERSON BRAINLIEST!!!!!
A. Velocity varies with the compass direction of motion
B. Measurement error causes multiple observations of motion to conflict
C. All motion is relative to the frame of reference chosen for measurement
D. Acceleration and velocity have different values because they are different measures of motion
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Answer:
C. All motion is relative to the frame of reference chosen for measurement
Explanation:
Related Questions
What are the Amino acids of the mutated DNA sequence: TAC ATC TTG GCG ACG ACT
Answers
Answer:
Tyr Ile Leu Ala Thr Thr
Explanation:
In a DNA sequence, a pair of three bases form a codon that codes one particular amino acid in the protein. Proteins are consist of 20 amino acids and these amino acids are coded by a pair of three bases.
There are four bases in a DNA - Thymine (T), Adenine(A), Guanine(G) and Cytosine(C).
The given mutated DNA sequence will also code for some amino acid, that is as follows:
TAC - Tyr (Tyrosine)
ATC - Ile (Isoleucine)
TTG - Leu (Leucine)
GCG - Ala (Alanine)
ACG - Thr (Threonine)
ACT - Thr (Threonine)
Thus, The mutated DNA sequence TAC ATC TTG GCG ACG ACT codes for Tyr Ile Leu Ala Thr Thr.
In the sense of "alternation of generations", how many "generations" are included in a mature pine seed?
a. 1
b. 2
c. 3
d. 4
Answers
In the sense of "alternation of generations", a mature pine seed contains only one generation, which is the sporophyte generation. Option A is correct.
The sporophyte generation is the dominant and multicellular generation in the life cycle of gymnosperms, such as pines, and produces spores through meiosis. The spores develop into the gametophyte generation, which is a haploid and unicellular generation that produces gametes through mitosis.
The male gametophyte of pines develops into pollen grains, which contain the male gametes, while the female gametophyte develops within the ovule and contains the female gametes. When a pollen grain reaches the female cone, it germinates and fertilizes the egg cell of the female gametophyte, leading to the formation of the zygote and the embryo, which develops into the mature sporophyte, i.e., the pine seed.
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Help me with this one
Answers
Hope you could understand.
If you have any query, feel free to ask.
ASSINGNMENT- Sobeys 1. Organisation summary 2. Issues and Impact of the organisational activities on the environment. 3. Activities and programs being initiated by the organisation in regards to curb the damage being caused to the environment on their end. 4. Your personal reflection or suggestions for the organisation in order to have a positive impact on the environment.
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1. Organisation summary: Sobeys is a Canadian supermarket chain with over 1,500 stores and 127,000 employees across Canada.
2. Sobeys has a significant impact on the environment due to its high energy consumption, waste generation, and emissions resulting from its operations.
3. Sobeys has initiated several programs and activities to reduce its environmental impact, such as reducing plastic packaging, investing in renewable energy, and implementing sustainable agriculture practices.
4. Sobeys can further improve its environmental impact by focusing on reducing food waste, investing in green infrastructure, and collaborating with suppliers to promote sustainable practices.
Sobeys is one of the leading supermarket chains in Canada with a significant presence in the retail industry, serving millions of customers every year. However, like many other retail businesses, Sobeys has been facing challenges in maintaining sustainable business practices that limit environmental impact.
Like many other retail businesses, Sobeys has a significant impact on the environment due to its daily operations, such as energy consumption, waste generation, and emissions. These activities contribute to climate change and have other negative impacts on the environment, such as pollution and resource depletion.
To address its environmental impact, Sobeys has implemented several programs and activities to reduce waste, energy consumption, and greenhouse gas emissions. It has set targets to reduce its environmental impact and has invested in sustainable agriculture practices and renewable energy.
Sobeys can improve its environmental impact further by focusing on reducing food waste, investing in green infrastructure, and collaborating with suppliers to promote sustainable practices. These efforts could help to reduce waste and emissions, conserve resources, and promote sustainable business practices across the supply chain.
By implementing these measures, Sobeys as an crganisation make a positive contribution to the environment and help to build a more sustainable future for all.
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please help!
Identify two forces through which ocean waves cause erosion
thank you if you do help!!
Answers
Answer:
Abrasion and impact are two forces that lead to erosion by waves
plz mark brainliest !! :DD
An obligate anaerobe is an organism that would die in an oxygenated environment. What could be assumed about these organisms?
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That they produce only through anaerobic respiration.
the immune system of an individual who is allergic to dust mite waste produce
Answers
Answer:
The answer to your question is ⇔ (1) Specialized chemicals that mark dust mite waste for destruction.
Explanation:
I hope this helps and have a wonderful day!
Answer:
Explanation:
A dust mite allergy can range from mild to severe. A mild case of dust mite allergies may cause an occasional runny nose, watery eyes, and sneezing. in severe cases, the condition may be ongoing (chronic) resulting in persistent sneezing, cough, congestion, facial pressure, an eczema flare-up, or severe asthma attack.The series of steps in which a large fish eats a smaller fish that has eaten algae is a
Answers
Answer: It is a food chain
Explanation: A series of steps including species consuming another in a direct chain is defined as a food chain
Which labels best complete the flow chart? X: Producers undergo photosynthesis. Y: Decomposers return carbon to the soil and release waste. X: Decomposers return carbon to the soil and release waste. Y: Producers undergo photosynthesis. X: Decomposers take in carbon dioxide. Y: Producers absorb carbon through their roots. X: Producers absorb carbon through their roots. Y: Decomposers take in carbon dioxide.
Answers
The carbon cycle is a biogeochemical cycle, which circulates the carbon between the biosphere, pedosphere, hydrosphere, and atmosphere of the Earth.
The flowchart can be completed as:
X: Producers undergo photosynthesis
Y: Decomposers return carbon to the soil and release waste.
The flowchart can be explained as:
1. The label X in the flowchart labels for the plants or also known as producers. The plants perform photosynthesis, in which plants prepare food in the presence of carbon dioxide, water, and sunlight. The process releases oxygen in the atmosphere and forms a sugar molecule as the product.
2. The label Y shows the decomposers that return the carbon into the cycle by degrading the wastes. The decomposers release carbon back into the lithosphere by decomposing the dead remains of plants and animals.
Thus, label X is producers, and label Y is decomposers of the carbon cycle.
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Answer: A
Explanation: got it on edge
Environmental Science!!!! Which areas receive more sunlight? Areas near the ____ receive more sunlight.
Answers
Areas near the __North Pole__ receive more sunlight.
Answer: equator
got right on plato
When a virus or bacterium is used to transfer a piece of foreign dna to host cell it’s known as a
A. Vector
B.transgenic
C.clone
D. Hybrid
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what connects bones to bones?
Answers
Answer:
Ligaments connect your bone to bone
A mutation in a gene results in a defective protein that is smaller than the normal, functional one. The mutation is probably a result of.
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The DNA sequence of a gene is altered to generate a different result, which is known as a genetic mutation.The DNA sequence of that gene is permanently altered.For humans to develop, which is the process of change over a number of generations, genetic variances are crucial.In one person, a spontaneous genetic mutation takes place.
What causes mutation?Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations.Somatic mutations (which happen in body cells) cannot be passed on to offspring, whereas germline mutations (which happen in eggs and sperm) can. Cystic fibrosis, hemophilia, and sickle cell disease are examples of hereditary mutations.Throughout a person's life, further mutations may occur on their own.Spontaneous, sporadic, or novel mutations are the terms used to describe them.Only a few cells are affected. Mutations that are harmful can result in cancer or genetic diseases.A genetic disorder is a condition brought on by a change in one or more genes.Cystic fibrosis is a human example.A single gene mutation causes the body to create thick, sticky mucus that obstructs digestive organ ducts and clogs the lungs. There are certain point mutations that actually change the amino acid that the codon specifies.A nonsense mutation or a missense mutation may result from these point mutations.When the replacement creates a codon for a different amino acid, it is known as a missense mutation. Errors in DNA replication or the harmful effects of mutagens, such as chemicals and radiation, which react with DNA and alter the architecture of individual nucleotides, are the two main causes of mutations.DNA repair enzymes are present in all cells and work to reduce the frequency of mutations.To learn more about mutation refer
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Which statement defines a magnet?
1. An object that applies a force on electric fields.
2. An object that attracts or repels electrically conductive metals.
3. An object that can attract or repel other magnets and certain metals.
4. An object that applies a force on objects with mass.
Answers
Answer:
1. An object that applies a force on electric fields
Explanation:
Answer:
1. An object that applies a force on electric fields.
Explanation:
A magnet carries an electric force, therefore repelling or attract others with an electric force.
Which of the following statements concerning chromosomes is/are true? Select all that apply.
selectk All That Apply
Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.
Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.
Homologous chromosomes contain the same genes and the same allele combination.Homologous chromosomes contain the same genes and the same allele combination.
DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosomes are made and each of these copies are called sister chromatids.DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosomes are made and each of these copies are called sister chromatids.
After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.
The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell’s genes to the next generation of cells within the body.The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell’s genes to the next generation of cells within the body.
Answers
The true statements concerning chromosomes are:
1. Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.
2. Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.
3. Homologous chromosomes contain the same genes and the same allele combination.
4. DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosomes are made, and each of these copies is called sister chromatids.
5. After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.
6. The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell's genes to the next generation of cells within the body.
1. Chromosomes are composed of DNA and histones, which are proteins that help in packaging the DNA. This packaging allows the long DNA molecule to fit tightly into the nucleus of a cell.
2. Genes are located on chromosomes. They are segments of DNA that contain instructions for building functional products like proteins. These genes serve as the units of inheritance, carrying genetic information from one generation to the next.
3. Homologous chromosomes refer to the two copies of each chromosome in a diploid cell. While they contain the same genes, they may have different alleles, or versions of those genes, which contribute to genetic variation.
4. DNA replication occurs before the cell cycle. During replication, each chromosome's DNA is copied, resulting in two identical sister chromatids attached at a central region called the centromere. This ensures that each daughter cell receives a complete set of chromosomes during cell division.
5. Sister chromatids are exact copies of each other because they are formed through DNA replication. They contain identical allele combinations since they originated from the same chromosome.
6. The purpose of sexual reproduction and the replication of chromosomes is to pass on a copy of the cell's genes to the next generation of cells within the body. This ensures the transmission of genetic information, allowing for the development of new individuals with unique combinations of genes.
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How do you think the first cell came into existence? Write a paragraph stating your opinion.
Answers
Answer: See Below
Explanation:
The first cell could have arisen from the natural formation of a lipid micelle surrounding a self-replicating RNA molecule. Lipids are naturally occurring molecules that have a hydrophilic head and hydrophobic tail. Due to the hydrophobic effect and presence of a high concentration of lipids micelles will form a spherical structure where the hydrophilic heads align and keep the hydrophobic tails within the center of the sphere. If a self-replicating RNA molecule were to be trapped within the micelle while it was forming then it would be protected from the outside environment and form a cell. Over time the self replicating molecules would begin to become more complex and eventually the cell would gain organelles and the ability to create an outer membrane.
In human traits, having dimples is dominant over not having dimples. If a mother heterozygous with dimples (Dd) and a father with no dimples (dd) have children, what would be the expected outcome of their children?
A)100% with dimples, 0% without dimples
B)25% with dimples, 75% without dimples
C)0% with dimples, 100% without dimples
D)50% with dimples, 50% without dimples
E)75% with dimples, 25% without dimples
Answers
Answer:
i pretty sure its c
Explanation:
because if DD means that the have diples .dd would have to be the opisite
Using the product rule, calculate the probability that two human parents would have a female child
A chance mother contributes X = 1 chance father contributes X = 0 1 + 0 = 1chance mother contributes X = 1 chance father contributes X = 0 1 + 0 = 1
B chance mother contributes X = 1 chance father contributes X = 1/2 1 X 1/2 = 1/2chance mother contributes X = 1 chance father contributes X = 1/2 1 X 1/2 = 1/2
C chance mother contributes X = 1/2 chance father contributes X = 1/4 1/2 X 1/4 = 1/8chance mother contributes X = 1/2 chance father contributes X = 1/4 1/2 X 1/4 = 1/8 D chance mother contributes X = 1/2 chance father contributes X = 1/2 1/2 X 1/2 = 1/4
Answers
The probability of two human parents producing a female child is 1/2; option B.
What is the probability of two human parents producing a female child?The probability of two human parents producing a female child can be determined using the product rule.
The X chromosome determines that a child is a female whereas the Y chromosome determines that a child is male.
the mother has two X chromosomes; XX
the father has one X chromosome and one Y chromosome; XY
the probability that the mother contributes X = 1
the probability that the father contributes X = 1/2
The probability that the parents will have a female child = 1 * 1/2
The probability that the parents will have a female child = 1/2
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The five digits of the human hand (as compared to the five digits in the earliest mammals in the fossil record) are an example of a(n) _____________ trait.
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The five digits of the human hand (compared to the earliest mammals in the fossil record) are an example of a derived trait.
The five digits of the human hand, as compared to the earliest mammals in the fossil record, represent a derived trait. Derived traits, also known as specialized traits or evolutionary novelties, are characteristics that have evolved in a specific lineage and are not present in ancestral forms. In the case of the human hand, the five digits (thumb, index finger, middle finger, ring finger, and pinky) are specialized structures that have evolved over time through genetic and developmental changes.
This trait provides humans with dexterity and the ability to perform intricate tasks such as grasping objects, manipulating tools, and fine motor skills. In contrast, the earliest mammals in the fossil record had different numbers and arrangements of digits, indicating that the five-digit hand of humans is a derived trait unique to our evolutionary lineage.
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1. A is a tall narrow container with a small neck,
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Answer:
Container farms are shipping containers as shell and insulated according to climate conditions. Used or new shipping containers are both can be used as outer shell but shipping containers strength is important for long lasting. The shipping containers are used for these container farms because they are compact, available to transfer everywhere in the world, they are solid and can be customized as a plug and grow machine.
Explanation:
not sure tho
substrates are held in the active site of an enzyme by:the matching shape of the allosteric site.the lowering of the activation energy.hydrogen and ionic bonds.the action of coenzymes and cofactors.
Answers
Substrates are held in the active site of an enzyme by hydrogen and ionic bonds.
What is ionic and hydrogen bonds?Ionic bonds are attracted by electrostatic forces, whereas hydrogen bonds are intermolecular forces. Ionic bonding occurs between permanent anions and cations, whereas hydrogen bonds occur between partial positive and partial negative charges. This is the main distinction between the two types of bonds.
In that they are created by the attraction of atoms with opposing polarity, hydrogen bonds are comparable to ionic bonds in this regard. They lack the strength of full or complete charges, however, as they are formed by the interplay of partial charges.
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The energy in many of those food particles is ultimately transferred into ______. A. Complex carbohydrates B. Glucose C. Proteins D. Lipids
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create a short story (2-3 paragraphs) incorporating all of the cranial nerves.
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Once upon a time, there was a man named Steve who went to the doctor with a severe headache. The doctor began examining him and was able to pinpoint the problem as an issue with Steve's cranial nerves.
The first cranial nerve is the olfactory nerve, which is responsible for a person's sense of smell. Steve's olfactory nerve was damaged due to a previous injury to his nose, which caused him to have a reduced sense of smell. The doctor then moved on to check the second cranial nerve, the optic nerve, which is responsible for vision. The doctor shone a light into Steve's eyes and noticed that his pupils were not reacting properly to the light.
Moving on to the third, fourth and sixth cranial nerves, the doctor began checking Steve's eye movements. Steve was unable to move his eyes in certain directions, indicating a problem with these nerves. The fifth cranial nerve, the trigeminal nerve, which controls facial sensation and chewing, seemed to be working properly. The seventh cranial nerve, the facial nerve, was then checked by asking Steve to make facial expressions. Steve was unable to move the right side of his face, indicating a problem with this nerve.
Finally, the doctor checked the eighth cranial nerve, the vestibulocochlear nerve, which is responsible for hearing and balance. Steve was experiencing dizziness and balance issues, indicating a problem with this nerve as well. After examining all the cranial nerves, the doctor was able to diagnose Steve with a condition that affected multiple nerves in his head. Steve was then referred to a specialist who was able to treat his condition and help him feel better.
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which statements are true about the differences between phospholipids and detergents? choose one or more: phospholipids are hydrophobic, whereas detergents are amphipathic. phospholipids are amphipathic, whereas detergents are hydrophobic. phospholipids form bilayers in water, whereas detergents tend to form micelles. detergents are shaped like cones, whereas phospholipids are more cylindrical. phospholipids have two hydrocarbon tails, whereas detergents have just one.
Answers
Detergents typically create micelles, whereas phospholipids form bilayers in water.
Composition Phospholipids have a more cylindrical structure than detergents, which have a cone-like shape.The hydrocarbon tails of detergents and phospholipids differ in number from one to two.When compared to detergents, phospholipids have an amphipathic nature. In contrast to detergents, which only have one hydrocarbon tail, phospholipids have two. Detergents typically create micelles, whereas phospholipids form bilayers in water. -Phospholipids have a more cylindrical shape than detergents, which are shaped like cones.A head and a tail make up a phospholipid. The phosphate group is located at the "head" of the molecule, and as water is hydrophilic to it, it will dissolve in it. Two hydrophobic fatty acids, which are incapable of dissolving in water, make form the "tail" of the molecule.For more information on phospholipids kindly visit to
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in total how many body systems work together to maintain homeostasis??
Answers
Answer:
2 (nervous and endocrine systems)
Explanation:
Answer: in total there are 11 systems that work together to maintain homostasis
Explanation:
pleaseeeeeeeeeeeeeeeeeeeeeeeeeeee help im crying
Answers
Answer:
The map uses color to indicate where a country falls compared to the world average. Green shows that a country is below the average ecological footprint size, whilst red shows countries that are above it.
Which is older the pebbles inside the rock or the rock surrounding the pebbles? Explain why the pebbles are older?
I need help with that question and is due today pls help me out I been struggling with it and having a hard time
Answers
Answer:
The pebbles inside the rock.
Explanation:
The outside of the rock would've formed around the pebbles.
If you could be any invertebrate animal in the world what would it be? And then give several reason why?
Answers
Invertebrates hence contribute to soil quality creation and maintenance in addition to aiding in the pollination of food crops. In agricultural contexts, as well as in gardens and allotments, this is crucial for growing food crops.
What function do invertebrate animals serve?The vast majority of species on Earth are invertebrates, which have an enormous variety and many of them have not yet been fully characterized. In addition to providing several environmental services, such as pollination, decomposition, and nutrient release, they are essential parts of food webs.
If invertebrates vanished, what would happen?Additionally, insects help recirculate nutrients into the soil by decomposing plant material. The majority of bird and amphibian species would become extinct in two months without any insects.
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8)
Instead of backbones, crabs and some insects have
A)
frontbones
B)
vascular bundles
C)
chloroplasts
D)
exoskeletons
Answers
Answer:
Exoskeletons
Explanation:
It provides support and structure just like a backbone
Answer:
D exoskeletons I think because their skeletons are on the outside
This simulation only shows positively charged ions. How can one side of the membrane have a net negative charge in this scenario?
Answers
If the simulation only shows positively charged ions, it is possible that the negative charge on one side of the membrane is due to the presence of negatively charged molecules or ions that are not included in the simulation.
Alternatively, the negative charge may be a result of an unequal distribution of positively and negatively charged ions on either side of the membrane, which could be due to various factors such as ion channels, pumps, or other transporters. Therefore, it is important to keep in mind that simulation may not always accurately represent the complete picture and other factors should be taken into consideration when interpreting the results.
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