the length and breadth of a rectangular Courtyard is 90 m and 42 m find the distance covered by a boy if it takes 5 rounds of courtyard​

Answers

Answer 1

Answer:

Area = L × B

= 90 × 42

= 3780 m

According to the question

He takes 1 round in 3780m

So ,

5 round = 5 × 3780

=18900

Explanation:


Related Questions

How does global warming affect earth’s troposphere?

Answers

Answer:

Most of the world's weather originates in the troposphere, a second scientist tells Carbon Brief, meaning that changes to seasonal temperatures could be affecting the likelihood of extreme weather events, such as flooding and drought.

Do you think murder committed during sleep walking is a punishable offense? Why?

Answers

Answer:

no because ur sleep walking and u cant control that

Answer:

yes and no

Explanation:

because when your asleep you dont know what your doing and when you get woken uo you tend to get violent so yea

Of the following statements, which is not a common myth regarding hypnosis?
A. Hypnotized people can relive the past.
B. Hypnotized people are less focused on their surroundings.
C. Hypnotized people lose control of themselves.
D. Hypnotized people can remember the past accurately.
Please select the best answer from the choices provided

Answers

Answer:

D

Explanation:

The common myth regarding hypnosis is  Hypnotized people can remember the past accurately.

Who are hypnotized people?

Focused attention (the selective attention/selective inattention hypothesis, SASI), decreased peripheral awareness, and an improved ability to respond to suggestion are all characteristics of hypnosis in humans.

Conflicting ideas exist to explain hypnosis and related phenomena. According to beliefs about altered states of consciousness, hypnosis is an altered mental state or trance characterized by a heightened level of awareness beyond that of ordinary consciousness.  

A person is reported to have improved focus and concentration while under hypnosis,  as well as a greater receptivity to suggestions.

Therefore, The common myth regarding hypnosis is  Hypnotized people can remember the past accurately.

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Severe storms all have extremely strong winds that can cause a lot of environmental damage.
Which storm below has the strongest winds?
O cyclone
O hurricane
O thunderstorm
O tornado

Answers

The storm that has the strongest winds is TORNADO.

A tornado can be defined as a narrow-violent rotating column of air in contact with the ground, which is often attached to the base of a thunderstorm.

It is hard to observe a tornado unless it forms a condensation vertical wind tunnel composed of water droplets and dust.

In the most violent tornadoes, wind speed may reach 300 miles (480 kilometers) per hour.

In conclusion, the storm that has the strongest winds is TORNADO.

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Answer: its tornado i just took the test on edge2020  on the storm assignment.

Explanation: :)

When does transformation occur

Answers

Answer:

Transformation results in the genetic alteration of the recipient cell. Exogenous DNA is taken up into the recipient cell from its surroundings through the cell membrane (s). Transformation occurs naturally in some species of bacteria, but it can also be affected by artificial means in other cells.

I hope it's helpful!

Put the following events in the correct order:

a. The mRNA leaves the nucleus and goes to a ribosome open choices for ranking.
b. The building blocks of proteins, are carried to the ribosome by tRNAsAmino acids.
c. Transcription of one DNA strand results in mRNA, which is a complementary copy of the information in the DNA.

Answers

Answer:

Explanation:

c. Transcription of one DNA strand results in mRNA, which is a complementary copy of the information in the DNA.

a. The mRNA leaves the nucleus and goes to a ribosome open choices for ranking.

b. The building blocks of proteins, are carried to the ribosome by tRNAsAmino acids.

The process of deoxyribonucleic acod starts with replication to transcription and translation.

Replication involves the formation of a complementary base from a old or template DNA Strand this then serve as a template for transcription.

transcription involves the coping of information on the DNA to an intermediate mRNA ( messanger ribonucleic acid) in the nucleus which then move from the nucleus to ribosome in the cytoplasm where translation occurs.

Translation is the conversion of the information on the mRNA to an amino acid with the help of enzyme transferse ribonucleic acid(tRNA).

Hence the arrangement is from C ---- A-----B.

Explain some of the reasons why not everyone shows traditional lateralization

Answers

Answer:

The right side of the brain may have developed more than the left side.Both sides of the brain developed equally.

Explanation:

Lateralization is the term used to designate the tendency that some functions of the organism are more developed on one side of the brain. Traditional lateralization, promotes that these functions are more developed on the left side of the brain, making the right side of our body more dominant. However, it may happen that these functions develop more on the right side of the brain, or develop on both sides and in an egalitarian form, causing some people to have lateralization different from the traditional.

This picture shows different amounts of space in between the particles of two
different soil samples.

Which word best describes what we are seeing?

Answers

Answer:

Porosity

Explanation:

I had another question like this and it was B so there u go

Meaning of soil porosity: Pore-spaces, also known as voids, are the area of the soil's volume that is not occupied by solids, either mineral or organic, hence option B is correct.

What is soil porosity?

Under field conditions, air and water are always present in the pore space. The amount of water that a specific volume of soil can hold depends on the amount of pore space.

How many pores, or holes, a soil has is referred to as its porosity. A proportion of the total volume of the soil material is used to measure a soil's porosity.

Soil particles are defined as those that are 2 mm in diameter or smaller and make up the inorganic component of soil. Sand, silt, and clay are the three types of soil particles.

Therefore, Porosity is a crucial indicator in locations where groundwater reserves supply drinking water.

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What are the 7 functions of the cell membrane?

Answers

these are the ones i was taught
1. molecule transport
2. signal receptors
3. intercellular junctions
4. cell to cell communication and recognition
5. gives the cell structure
6. protects the cell
7. acts as enzymes

Explain how organisms can compete for abiotic factors in an ecosystem.

Answers

Answer:

An organism's niche includes food, shelter, its predators, the temperature, the amount of moisture the organism needs to survive, etc. When two or more individuals or populations try to use the same limited resources such as food, water, shelter, space, or sunlight, it is called competition.

1.The illustration below shows that sexual reproduction involving two parent pea plants resulted in the production of four offspring.

A. All four offspring received all of their genetic information only from Parent 1 and are therefore identical to that parent

B. All four offspring received all of their genetic information only from Parent 2 and are therefore identical to that parent.

C. All four offspring are genetically unique and did not receive any of their genetic information from either parent.

D. Each of the offspring is genetically unique and received some of its genetic information from each parent, so each has some traits in common with each parent.

Answers

Answer:

C

Explanation:

Because of the x and y chromosomes and they split apart and that's how you get 4 offspring.

The fusion of two different gametes leads to the formation of new offspring is called reproduction. There are two types of reproduction that is sexual and sexual.

The correct option is A

The branch of biology which deals with the study of genes is called genetics. there are two types of alleles that give all the character to the phenotypes. The dominant allele is the allele that suppresses the recessive allele and shows its effect.

In question, the F1 generation shows only one type of character which belongs to parent 1 because that is the dominant allele.

Hence, the correct option is A that is all four offspring received all of their genetic information only from Parent 1 and are therefore identical to that parent

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What type of energy continuously produces heat and light?

Answers

Answer:

Nuclear fusion.

Which of the following is used to screen for carcinogenic potential of various compounds?


transformation testing


replica plating


Ames test


ELISA test

Answers

Answer:

Ames test

Explanation:

This is because Ames test is a test that uses bacteria strain i.e Salmonella typhimurium to check or assess of a chemical has carcinogenic effect of it. It uses mutagenicity of bacteria. It is a biological assay that test whether an a chemical can cause mutations in the dna of the test organisms. When mutagens are added and also liver enzymes, there would be a reverse mutation and this will lead to their growth

What is the advantage of a primate having a curved spine?

Answers

Answer:

depending on what you mean it can allow you to be more flexable or it can have an effect in your posture

Explanation:

:)))))

In actuality, the DNA sequence of the human genome is NOT random. Some sequences, including some very large sequences, are repeated many times throughout the human genome. Write two ideas you have for how this fact complicates the use of CRISPR gene-editing technology in humans.

Answers

Answer:

repeated DNA sequences decrease the target specificity of the CRISPR-Cas system, and may lead to off-target effects  

Explanation:

The CRISPR-Cas system is a versatile and powerful tool for gene editing. This gene-editing tool consists of a single guide RNA (sgRNA) that guides the Cas endonuclease protein to the appropriate genomic locus, where Cas generate a double-strand break in the DNA and thus induces DNA repair either by Non-homologous end joining (NHEJ) or Homologous Recombination (HR) repair pathways. The sgRNA consists of a 17-20 nucleotide sequence which is complementary to the target DNA, this sequence is called crispr RNA (crRNA). The existence of repeated DNA sequences hampers the specificity of the CRISPR-Cas tool because a particular sgRNA is able to guide Cas9 to different genomic loci that have the same (repeated) nucleotide sequence complementary to the crRNA. In consequence, repeated DNA sequences may lead to undesired off-target effects, i.e., unintended cleavage (and therefore unintended mutations) at untargeted genomic sites.

Blood supply to an arm is cut off. Blood in the arm is sampled after
five minutes and analyzed. Which of the following would occur?
Concentration of HHb
A.
B.
C.
D
Concentration of HbO2
high
low
low
Concentration of HCO3
low
high
high
low
high
o
B
A
OC

Answers

Answer:

Blood Flow restriction training involves cutting off 50-80% of arterial ... Blood Flow restriction can be used on the arm or leg and the tourniquet is ... minutes, which is enough time to induce a hypertrophy response, but will not cause limb damage. ... Back; 3D Run Analysis · Dry Needling · Weightlifting Analysis

Explanation:

Question 18 of 20 :
Select the best answer for the question.
18. How has the use of herbicides affected agricultural productivity?
O A. Fewer pesticides are needed because of parasitoids.
OB. Fewer people are needed to weed because of herbicides.
O C. Fewer crops are produced because of herbicides.
O D. Fewer crops are organic because of the use of Bt toxin.
O Mark for review (Will be highlighted on the review page)

Answers

Answer:

B. Fewer people are needed to weed because of herbicides.

Explanation:

Herbicides are chemical substances specifically used to control the widespread growth of weeds i.e unwanted plants. Using herbicides has been useful in eradicating the weeds that pose a great threat to agricultural productivity.

Since chemical control (herbicides) has proven to be a faster and effective method, fewer people are needed to involve in the physical control of weeds i.e. weeding. Hence, the use of herbicides has affected agricultural productivity by helping to reduce the amount of laborers.

What is the wavelength of an X-ray whose frequency is 2.0 × 1018 Hz? Hint: An X-ray is an electromagnetic wave, so its velocity is equal to the speed of light (3.0 × 108 m/s).
A.
1.5 × 10-10 m
B.
3.0 × 10-8 m
C.
6.0 × 10-9 m
D.
0.6 × 10-11 m

Answers

Answer:

A. 1.5 × 10-10 m

Explanation:

Given the following data;

Frequency = 2.0 × 10^18 Hertz.

Speed of light = 3.0 × 10^8 m/s

To find the wavelength;

Wavelength = speed/frequency

Substituting into the equation, we have;

Wavelength = 3.0 × 10^8/2.0 × 10^18

Wavelength = 1.5 × 10-10 meters.

Which of the following is a form of kinetic energy?
O A. Gravitational potential energy
O B. Light energy
O C. Elastic energy
O D. Thermal energy

Answers

Answer:

light energy

Explanation:

Also known as light energy or electromagnetic energy, radiant energy is a type of kinetic energy that travels in waves.

1. Discuss how the study of fossils provides strong evidence for evolution. (13.2 and 13.3)

Answers

Answer:

in fossils we see homologous structures that suggest a common ancestor.

By looking at the bones of the arms and comparative anatomy we see the similar structure and function that is retained.

When looking at other animals like birds we see Analogous structures that look similar but have a different function (flying).

Finally we see Vestigial structures which are structure that no longer function as they once were used for. An example of this is the coccyx (tail bone in humans) compared to tails in dogs, cats, monkeys, etc.

Explanation:

What will happen to a plant if put in a box with only one hole?

Answers

Answer:

does it have water and sun through the hole?

Explanation:

if not it will die. if you specify i will edit my answer.

Answer:

yes if watered but it would have drainage problems  

Explanation:

hope this helps sorry if it doesn't have a good rest of your night :) ❤

Why would you consider amphibians to have great biodiversity?

Answers

Amphibians are vertebrates in the class Amphibia that includes frogs, toads, salamanders, newts, and caecilians (wormlike amphibians). Amphibian species are considered important biological indicators of the health of an ecosystem because they live in both aquatic and terrestrial environments.

The older crust in this case would be at point D, the newest at point A.
what type of rock would you expect to forming at point A?

Answers

Explanation:

New ocean crust is formed at the mid ocean ridges. The new crust is then pushed away from the ridge as newer crust comes to the surface. The ocean crust then spreads out enlarging the ocean. The farer away from the ridge the ocean crust is the older the crust

the process of taking gaseous carbon dioxide or oxygen by leaves is termed​

Answers

Answer:

photosynthesis

as in the process of photosynthesis plants take in carbon dioxide and give out oxygen.

hope it helps you

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The process of taking gaseous carbon dioxide or oxygen by leaves is termed​ peristomal diffusion or diffusion through stomata present on leaves.

Plants take up carbon dioxide or oxygen from the air through their leaves as they have several stomata on their surface. The small holes or openings in the underside of the leaf are called stomata.

Diffusion through stomata also helps oxygen, produced in photosynthesis, to leave the leaf.The diffusion of gaseous carbon dioxide or oxygen is proportional to the concentration difference between the atmosphere and leaves.The loss of water vapor in transpiration also occurs through stomata.peristomal diffusion or diffusion through the leaves allows the gaseous exchange.

Thus, the correct answer is - peristomal diffusion or diffusion through stomata present on leaves.

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is comparing a typical uncontained Influenza outbreak with the current quarantine/social distancing Coronavirus outbreak a legitimate comparison?

Answers

Answer:

yes because all deises start out bad but as you can see after a few months and after the vaccine our numbers have slowed down quite a bit.

Explanation:

what part of plants do people use in making a house​

Answers

They use logs of wood and it comes from the trunk of tree

Well There are a lot of plant based building materials available already. If we take the example of loft insulation, we can get it made of hemp, sheeps wool, seaweed, cork, cereal straw, mushrooms and wood.But there are also recycled products like plastic bottles, textiles and shredded newspaper.

explain what would likely happen if there were no shrimp in the close ecosystem

Answers

Answer:

It greatly affect population of fish.

Explanation:

If there were no shrimp in the close ecosystem then many fishes die due to lack f food because shrimp is the food of many small and large fishes. They also play a great role in protection of fish's skin by eating parasite, bacteria and fungi present on their skin so it also act as scavengers so if these shrimps are not present many fishes die due to various diseases and the ecosystem would be disturb.

HELP ANSWER QUICK!!!!
A scientist examines the legs of two different species. Due to similarities in the bone arrangement, the scientist concludes that the
leg structures of the two species are homologous.
What can the scientist conclude about these species?
ОА.
The two species evolved from a common ancestor.
OB
The two species are evolutionarily unrelated.
O C.
The two species have identical DNA.
O D.
The two species are found in the same ecosystem.

Answers

Answer:

A this is the definition of homologous

D would analogous

Explanation:

What type spore is produced by baisidiomycetes, deuteromycota, Zygomycota and ascomycota??

Answers

baisidiomycota: basidiospores

ascomycota: axcospores

Deurtermycota: conidia

zygomycota: sporangiospores

Which of the following is the best evidence that supports the rule that only 10% of energy is transferred from one organism to another? (1
There are fewer organisms at the top of the food chain because there is less energy available for life processos
O Ten percent of organisms are fully consumed while others contain some molecules that cannot be digested
Not all organisms at the lower trophic levels will be eaten and die
O Dead organisms and waste are broken down by decomposers and are recycled through the ecosystem

Answers

Answer:

I believe the answer is A

Explanation:

There are fewer organisms at the top of the food chain because there is

less energy available for life processes is the best statement that supports

it.

What is Trophic level?

This is the position an organism occupies in a food chain. The organisms

are usually fewer while those at the bottom have more organisms present

in the chain.

As food chain moves from bottom to the top, the energy level decreases

which depicts 10% of energy is being transferred from one organism to

another

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