when do you think friction can be helpful ? try to think of a situation friction is necessary

Answers

Answer 1

Answer:

friction stops tyres skidding in the road and prevents shoes slipping on the pavement .it grips the ground a prevent sliding


Related Questions

Match the feature with its description.

HELP!! ASAP

Answers

Answer:

In order:

Stalactities

Stalagmites

Swallowhole

Sinkhole

The correct match of the features are:

Stalactites: Grow toward the cave floor.

Stalagmites: Grow toward the cave ceiling.

Swallow hole: A cave that has collapsed because of gravity.

Sinkhole: Where a stream disappears into the ground.

What are Stalactites?

Mineral deposits known as stalagmites and stalactites are frequently seen in caves. The pointy, downward-pointing minerals that fall from the caves' roofs give rise to the stalactites.

On the other hand, stalagmites are created when minerals that fall from the roof are deposited on the ground afterward.

Therefore, the correct options are:

Stalactites: Grow toward the cave floor.Stalagmites: Grow toward the cave ceiling.Swallow hole: A cave that has collapsed because of gravity.Sinkhole: Where a stream disappears into the ground.

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ill give brainliest JUST HELP ME PLEASE its due tmr, please be accurate

Answers

Answer:

Interphase - B,J,

Prophase - G,E

Metaphase - C,F

Anaphase - I,D

Telophase - A,H

Explanation:

I think this is correct.

Remember:

Interphase - the DNA is all clumped up

Prophase - the DNA begins to unravel and float around

Metaphase - M for middle; they line up in the middle

Anaphase - The begin to split and be pulled apart

Telophase - They are at their opposite ends, but not yet their own cells

Use the illustration below to answer this question. What is the name of the
cellular structure labeled "X"?
CSD
O Chloroplast
O Mitochondria
O Lysosome
O Central Vacuole

Answers

It corrects love it thank you

Based on the diagram above, how is isoleucine inhibiting the function of threonine deaminase (Enzyme 1)?
According to the diagram, when will this enzyme begin to function again and make more isoleucine?

Answers

Answer:

b evrensel cevap geçiş ocmc.cc,c,

Explanation:

enzim olmasi lazi, hakikatten ya

Which of the below is NOT a cephalopod?
A. squid
B. snail
C. octopus
D. nautilus

Answers

The snail is NOT a cephalopod

please help, will give brainliest ​

Answers

Answer:

contraction and relaxation of the heart

Explanation:

Which molecule can be classified as saturated or unsaturated? *
a) carbohydrate
b) protein
c) lipid
d) nucleic acid

Answers

Answer:be careful for anonumas1

Explanation:

Can you guys please help me❤️

Answers

Answer:

C, hot weather is external

Explanation:

Answer:

I think that it is option C

Why does DNA have to relocate

Answers

Answer:

chromosomes are made up of a DNA protein complex called chromatin that is organized into subunits called nuclesomes...

Why is water called the universal solvent?
A.) Water is a nonpolar substance that dissolves polar substances
B.) Water can act as a solvent in many different solutions
C.) Water is a polar substance that dissolves nonpolar substances
D.) Water can act as a solute in many different solutions

Answers

Answer:

And, water is called the "universal solvent" because it dissolves more substances than any other liquid. ... This allows the water molecule to become attracted to many other different types of molecules.

Explanation:

B.) Water can act as a solvent in many different solutions.

Water is called the "universal solvent" because it is capable of dissolving more substances than any other liquid. Water molecules have a polar arrangement of oxygen and hydrogen atoms—one side (hydrogen) has a positive electrical charge and the other side (oxygen) had a negative charge.A water molecule consists of two hydrogen atoms and one oxygen atom. The three atoms make an angle; the H-O-H angle is approximately 104.5 degrees.

Therefore, option B. is correct.

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If a strand of DNA has 10% G,
A:
C:
T:

Answers

Answer:

C would be the corresponding 10%

that leaves 80% remaining so that would be split ~ equally between the remaining 2 base pairs so

40% A and

40% T

Explanation:

*
what’s a small cellular structure with a specific function

Answers

Answer:

tissues

Explanation:

organised to perform one or more specific function

What does the bottom question mean? Will give extra points for right answer only

Answers

Answer:

its talking about how much can the red line go up till u hit its temp limit i wish i could help more but i cant see hardly anything to tell u the complete anwser

Explanation:

Answer:

Compare the temperture to the 'recommended temperature limit' line.

Explanation:

'how does....relate' also means compare/describre how they affect one another.

Scientists group organisms into three domains: Archaea, Bacteria
and Eukarya. In which domain are animals classified and why?
O Archaea, because animals live a long time.
O Bacteria, because animals are unicellular.
Bacteria, because animals make their own food.
Eukarya, because animal cells contain genetic information inside of
nuclei.

Answers

Answer:The answers is D

Explanation:I got a 100 on the test. Also if you look up what domain are animals it will tell you they are eukarya.

Do plants need to eat?Or do they acquire energy through a method different from animals?Write down the differences on how a tree and an ostrich acquire the energy they need for survival.

Answers

For the first half of your question, plants do need to eat. In fact, they are autotrophs, which means they are self feeders.

Plants acquire energy through a method known as photosynthesis which is different from animals. Plants make their food from the process called photosynthesis as they are autotrophs while animals depend on their food on plants and they are called herbivores.

What are Autotrophs?

Autotrophs are the organism that can produce its own food using light, water and carbon dioxide or some other chemicals. They are also known as primary producers.

The most familiar type of autotrophs are plant but apart from plants many different types of autotrophic organisms are there. For example, algae which live in water, phytoplankton which live in ocean and some type of bacteria.

Mostly autotrophs used the process called photosynthesis to make their own food. In this process, Autotrophs used energy from the Sun to convert water obtained from the soil and carbon dioxide obtained from the air to produce a carbohydrate called Glucose . It give energy to the plant.

Some rare autotrophs produces food through a process called Chemosynthesis . In this process, they make their own food using energy from chemical reaction combining Hydrogen Sulphide or Methane with oxygen . Organism that uses Chemosynthesis for making their food lives in extreme environment . For example, Bacteria live in active volcanoes oxidize sulphur to produce their own food.

Thus, plants acquire energy through a method known as photosynthesis which is different from animals. Plants make their food from the process called photosynthesis as they are autotrophs while animals depend on their food on plants and they are called herbivores.

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Which graph represents selection that may lead to reduced variation in a population? A graph has trait value on the horizontal axis and population of individuals on the vertical axis. The original population and population after selection have similar curves, but the original population peaks before the population after selection. A graph has trait value on the horizontal axis and population of individuals on the vertical axis. The population after selection increases, decreases, increases, and then decreases again. The original population increases at the point that the original population drops. A graph has trait value on the horizontal axis and population of individuals on the vertical axis. The original population peaks at the same time as the population after selection but the population after selection peaks higher and at a more rapid speed. A graph has trait value on the horizontal axis and proportion of individuals on the vertical axis. The original population and population after selection have similar curves but the original population is slightly higher at all points. Mark this and return

Answers

Answer: B

Explanation:

Answer:

Graph B

Explanation:

6. How could a dichotomous be helpful to you if you
were lost in the wilderness?

Answers

help you not eat poisonous plants :)

Margaret has detached earlobes (a) , which is a recessive trait. If she wanted ALL of her children to have attached ears (A), what type of man would she need to marry in order to give her the best chances?

A. A man with the genotype AA

B. A man with the genotype aa

C. A man with lobed ears like hers

D. A man with the genotype Aa

Answers

I think the answer is A. My dude.

Margaret can have all her children with attached earlobes only if she marry a man with AA dominant genotype.

As given,

Margaret has detached earlobes (a) which is a recessive trait  If she wanted all of her children to have attached ears (A) if she have to marry a man with the dominant trait

Punnett' square:

                                    A           A

                        a       Aa         Aa  

                          a       Aa         Aa

[Aa] are the genotype with attached earlobes [dominant genotype]

Therefore, Margaret can have all her children with attached earlobes only if she marry a man with AA dominant genotype.

To know more about dominant and recessive trait.

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Help!!!!!!!!!!!!!!!!!!!

Answers

with what oh d jdjdjdjdnxfjfjfnfjxx

Answer:

B. is the answer.

What is one of the main ways that evolution occurs in prokaryotes?

A. Crossing over during DNA replication
B. Exposure to pathogens that change DNA
C. Mutations that occur during binary fission
D. Exchanging DNA during alternation of generations
E. Decomposing dead organisms

Answers

Answer:

answer:

the.answer.is.b

B B B

One of the main ways that evolution occurs in prokaryotes is through mutations that occur during binary fission, which is present in Option C. In prokaryotes, which are single-celled organisms that lack a nucleus, evolution occurs primarily through mutations that occur during binary fission.

What is mutation?

Prokaryotes, which include bacteria and archaea, are unicellular organisms that lack a nucleus and other membrane-bound organelles. They are known for their remarkable adaptability and ability to evolve rapidly in response to changing environmental conditions, and beneficial mutations that improve an organism's fitness, such as antibiotic resistance, can quickly spread through a population through natural selection.

Hence, one of the main ways that evolution occurs in prokaryotes is through mutations that occur during binary fission, which is present in Option C.

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What group of organisms is found at the base of every energy
pyramid?

Answers

Answer:

Plants or other photosynthetic organisms (autotrophs) are found on the first trophic level, at the bottom of the pyramid. The next level will be the herbivores, and then the carnivores that eat the herbivores. The energy pyramid (Figure below) shows four levels of a food chain, from producers to carnivores.

Explanation:

I hope I hope

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PLEASE HELP DUE TOMORROW!

what are the advantages of harvesting more crops and trees to reducing carbon emissions?

And what are disadvantages of harvesting tree and crops for reducing carbon emissions?

Answers

Answer:

the advantage is free more space to plant crops and farm animals and build houses

the disadvantage is destroying the animal environment and may cause climate change and killing an endangered species by destroying there houses or by accident

Answer:

As trees grow, they help stop climate change by removing carbon dioxide from the air, storing carbon in the trees and soil, and releasing oxygen into the atmosphere and more space.

A female heterozygous for dark hair and freckles married a male also heterozygous for dark hair and freckles. What is the possibility of having offspring with no freckles and light hair?

•8/16
•3/16
•9/16
•1/16

Answers

Answer: I would say 3/16 but then again im not too sure you may want to wait until a second answer arrives :D

98.9 grams Na-
Convert to moles

Answers

Answer:

4.31877 moles

Explanation:

I believe its around 4.30 moles.

98.9g over 1 times 1 over 22.90 this is the molar mass of na= 4.31877  moles

Hope this helps!

Question 2 Multiple Choice Worth 4 points)
[0.04H] Which of these statements is correct about tidal energy and ocean thermal energy?
A - Tidal energy may increase the fish population.
B - Tidal energy may increase the bird population.
C - Ocean thermal energy may alter the wave heights.
D - Ocean thermal energy may alter the ocean ecosystem.

Answers

Answer:

A.Tidal energy may increased fish population...

and

D. Ocean Thermal Energy may Alter The Ocean ecosystem.

Explanation:

I hope.it help u

Answer:

D.  Ocean Thermal Energy may Alter The Ocean ecosystem.

Took Flvs test im valid

Two black guinea pigs were crossed and they produced a litter of 4 black and 3 white guinea pigs. Which best explains this occurrence?
White fur is dominant to black fur.
White fur was the result of a mutation.
Both parents were heterozygous for black fur.

Answers

Answer:

Both parents were heterozygous for black fur.

cloning is more controversial than cloning because it involves copying an entire organism

Answers

It brown the best in my life I am not doing that right I am not doing anything I love you so so sorry I just love love I hope you have some amazing time here keep me updated thank you so so sorry if I am wrong.

What is the role of microfilaments in cell division?

Answers

Answer:

Explanation:

Another important function of microfilaments is to help divide the cell during mitosis (cell division). Microfilaments aid the process of cytokinesis, which is when the cell “pinches off” and physically separates into two daughter cells.

Answer:

The pull the cell membrane in.

Explanation:

I took the quiz.

There are 3 main types of Soil Textures: Clay, Sand, & A Fine B. Loam O C. Coarse 0 D. Silt​

Answers

I think it’s D.silt but don’t get me wrong it just seems right because we are talking about soil

How does the DNA sequence in a normal hemoglobin gene compare to a sickle cell hemoglobin gene?



ASAP

Answers

Answer:A person with normal hemoglobin has inherited one allele for normal hemoglobin from each parent and so has the genotype Hb A/Hb A. In contrast, a person who has sickle disease has inherited one sickle-cell allele from each parent and has the genotype Hb S/Hb S.

Explanation:

The DNA sequence in a normal hemoglobin gene is different from the hemoglobin gene of sickle cell due to a change in nucleotide base from A to T.

What is Sickle cell anemia?

Sickle cell anemia is a group of disorders which cause the red blood cells (RBCs) to become misshapen and break down. It is an inherited group of disorders, in which the red blood cells contort into a sickle shaped cell. The cells die early due to this disorder, leaving a shortage of healthy red blood cells in the blood and can block the blood flow causing pain and crisis.

Symptoms of sickle cell anemia include infections, pain and fatigue.

Genetic studies have shown that the base sequence in the normal hemoglobin (HbA) and the sickle cell hemoglobin (HbS) differs at only a single nucleotide position including a change from an A to a T nucleotide base. This change in nucleotide to one codon results in a single amino acid change in the hemoglobin.

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