Answer:
2) an ocean trench
Explanation:
Ocean trench is a commonly formed at a plate boundary where oceanic crust converges with continental crust.
What is Ocean Trench?Long, narrow depressions on the seafloor are known as ocean trenches. These chasms are among the deepest natural places on Earth and the deepest portions of the ocean.
Every ocean basin on the planet has ocean trenches, but the deepest ones encircle the Pacific Ocean as part of the so-called "Ring of Fire," which is also home to active volcanoes and earthquake-prone regions. Tectonic activity, which refers to the movement of the Earth's lithosphere, is what causes ocean trenches.
Ocean trenches in particular are a characteristic of convergent plate borders, which occur where two or more tectonic plates collide. In a process known as subduction, dense lithosphere melts or slides beneath less dense lithosphere along numerous convergent plate borders, forming a trench.
Therefore, Ocean trench is a commonly formed at a plate boundary where oceanic crust converges with continental crust.
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Differentiate the components of fluid connective tissue?
Answer:
The components of the fluid connective tissue are red blood cells, white blood cell and blood platelets
Explanation:
The connective tissues refer to tissues composed of some class of matrix. The blood is considered a fluid connective tissue which is composed of red blood cells (erythrocytes), white blood cell (leukocytes) and blood platelets (thrombocytes). Erythrocytes are cells that contain hemoglobin and whose function is to transport oxygen to the body. Leukocytes are cells involved in the immune responses which act to protect the body against both foreign pathogenic invaders. Finally, thrombocytes are cell fragments that form clots and stop bleeding.
In which direction does the Sun appear to move across the sky?
from west to east
from east to west
from north to south
from south to north
Where does compression often occur?
1. Along a normal fault
2. Along a strike strip fault
3. At a divergent boundary
4. At a convergent boundary
Please hurry, thank you!
Answer:
Compression often occurs at a convergent boundary.
Compression often occur at a convergent boundary.
What does compression often occur?Compression is the most common stress, that occurs at convergent plate boundaries.Tension is the major type of stress at divergent plate boundaries.What are convergent and divergent boundary?When two plates come together, it is known as a convergent boundary.When two plates move away from each other,it is known as divergent boundary.What are strik strip fault and normal strip fault?
Strik strip fault is a fault on which the two blocks slide past one another.Normal faults is an inclines fractures where the rock moves down.
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The cause of moving currents are in the atmosphere and oceans are connected to ____
A. Thermal energy, density, pressure, composition, topographic influences
B. topographic influences, Thermal energy, density
C. density, pressure, composition, topographic influences
D. pressure, Thermal energy density, composition
Answer:
A!
Explanation:
Maybe
How do high-energy electrons from glycolysis and the Krebs cycle contribute to the formation of ATP from ADP in the electron transport chain?
O
A. High-energy electrons interact with pyruvic acid to create a phosphate bond with ADP, forming ATP.
O
B. High-energy electrons supply the needed energy to synthesize ATP from the lower-energy ADP in the electron transport chain
C. High-energy electrons supply a negative charge which causes the citric acid to oxidize, forming a phosphate group to bond with ADP.
O
D. High-energy electrons increase the temperature of ADP so it easily reacts to form ATP.
Answer:
b
Explanation:
High-energy electrons supply the needed energy to synthesize ATP from the lower-energy ADP in the electron transport chain. So, the correct option is (B).
What is Electron transport chain?An electron transport chain is defined as a series of protein complexes and other molecules that transfer electrons from electron donors to electron acceptors through redox reactions and that link this electron transfer with the transfer of protons across a membrane.
Large amounts of ATP can be produced through a highly efficient method called oxidative phosphorylation where ATP is a fundamental unit of the metabolic process. Electrons are transferred from electron donor to electron acceptor thereby producing ATP which is the important step of Electron transport chain.
Thus, high-energy electrons supply the needed energy to synthesize ATP from the lower-energy ADP in the electron transport chain. So, the correct option is (B).
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If a SARS-CoV2 virus were to mutate and become and become better at attaching to respiratory cells, how would natural selection lead to this mutant virus becoming the dominant virus type? Use the four steps of natural selection in your response: overpopulation, genetic variation, competition, differential reproductio.
Answer:
Mutations leading to the better attachement of virus to the host cell would allow the virus to spread the infection and leave more progeny. The reproductive fitness of mutant viruses would allow the mutation to spread.
Explanation:
1. The organisms with same resource requirement compete with each other. Viruses are not living things but once inside the host cell, they behave like living things. Rapid multiplication of virus overpopulate the host cells.
2. Genetic variations are added to the viral progeny by random errors during replication of the viral genome. These random variations may impart beneficial trait, harmful feature or remain neutral. If a random mutation in the SARS-CoV2 virus allows it to adhere better to the cells of the respiratory system, the virus would be better able to infect these cells to spread the infection. Once inside the host cells, the mutant virus would leave more progeny. On the other hand, the wild type virus that lack this mutation would have lesser chances of entering the host cells and may or may not replicate.
3. The progeny of the mutant virus would compete better with the non mutant ones due to the presence of same mutation.
4. Differential reproduction and more progeny of the mutant virus would spread the mutation among the virus.
I Learned that…
The _is the coordinating system of the body. It consists of the
, _, and the nerves. The two divisions of nervous system are central nervous system and _ . The system takes in information through the senses. For example, if you touch a hot stove, the sense of the skin brings the message of pain to your brain. The brain then sends a message back telling the muscles in your hand to pull away.
The nervous system is the coordinating system of the body.
It consists of the brain, spinal cord, and the nerves.
The two divisions of nervous system are central nervous system and peripheral nervous system.
Answer:
The nervous system is the coordinating system of the body.
It consists of brain, spinal cord and the nerves.
The two divisions of nervous system are central nervous system and peripheral nervous system.
The system takes in information through the senses.
Explanation:
Given example is that if you touch a hot stove, the senses of the skin brings the message of pain to your brain. The brain then sends a message back telling the muscles in your hand to pull your hand away and this is when the reflex action takes place. This is called the reflex action.
Which of the following efforts is a sustainable way to contribute positively to
a Millennium Development Goal?
A. Using World Bank funds to buy all of a developing nation's
nonrenewable resources
O B. Clearing a forest to provide one month of sustenance for a small,
impoverished community
C. Redistributing the world's resources so that every human has the
same degree of wealth
O D. Opening clinics in a developing nation so that poor women can get
screened for HIV
Answer: D, Opening clinics in A developing nations so that poor woman can get screen for HIV.
Explanation: ap3x
Answer:
D
Explanation:
I just took the quiz
What are the 3 main greenhouse gases ?
Answer:
carbon dioxide
methane
nitrous oxide
Answer:
Carbon Dioxide.
Methane.
Nitrous Oxide
The amount of the earth's surface covered by oceans is approximately what ?
A: 1/4
B: 1/3
C: 1/2
D:3/4
E: 4/5
pleaseeee hurry
Answer:
3/4
Explanation:
I would have to say this because earth is covered in about 71% of water and 3/4 is closest to that. :)
Why is the sugar called deoxyribose?
Answer: The sugar in DNA is called a deoxyribose because it doesn't have a hydroxyl group at the 2' position. Instead it just has a hydrogen
Explanation:
Look at the diagram of the male reproductive system. Name the parts
Answer:
Explanation:
مرحبًا ، أود أن أحاول مساعدتك في عملك المدرسي. إذا كنت تستطيع أن تشرح أكثر فأنا أقدر ذلك.
The diagram of the male reproductive system. The parts names are 1. prostate gland, 2. Pe.nis, 3. Urethra, 4. Vas deference, 5. testis, 6. scrotum .
The biological process of creating offspring of the same sort is known as reproduction. It is one of the critical mechanisms that ensures the survival of the species generation after generation.
The testes, scrotum, spermatic ducts, male accessory glands, and pe.nis comprise the male reproductive system. All of these organs collaborate to make sperm, the male gamete, male sex hormones, and other semen components.
Pe.nis: It refers to the male genitalia. It consists of three cylindrical chambers filled with erectile tissue. The two larger ones, the corpora cavernosa, are side by side, and the third is the sinus, called the corpus spongiosum, which covers the urethra.
Scrotum: It is a thick skin sac that protects and surrounds the testicles. It also regulates the temperature of the testes, which must be slightly lower than body temperature in order to produce appropriate sperm.
Testes: In humans, there are two testes. The testes are located outside the body in a pouch known as the scrotum. They have oval bodies that are 4 to 5 cm long and 2 to 3 cm wide.
Male sex accessory ducts are known as vas deferens.
Urethra: It is a tube-like structure that connects the urine bladder and urinary meatus.
The male accessory glands produce fluid that feeds the sperm. It is known as seminal plasma. This fluid contains a lot of fructose, calcium, and enzymes. It is the largest volume of semen from which the sperm is released during ejaculation.
Thus, The parts names are 1. prostate gland 2. Pe.nis 3. Urethra 4. Vas deference 5. testis 6. scrotum .
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What can you predict will happen to the ocean currents as the ice caps melt?
Enter the correct 4 digit code (no spaces)
please help need the answer before 2/24/21
Describe a human organ that functions like the bacterial cell walls
Answer:
The bacterial cell wall
Explanation:
The bacterial cell wall performs several functions as well, in addition to providing overall strength to the cell. It also helps maintain the cell shape, which is important for how the cell will grow, reproduce, obtain nutrients, and move.
Which describes one of oxygen's roles in Earth’s atmosphere?
1.allows fuels to burn.
2.forms clouds that produce rain.
3.is the gas that animals exhale.
4.is used by plants to produce food.
Answer: a
Explanation:
A person has polydactyly (extra fingers or toes). Polydactyly is caused by a dominant allele.
What is the smallest number of copies of the dominant allele for polydactyly that could be found in a body cell of this person?
Answer:
1 I think, read the explanation.
Explanation:
Offspring need to carry just one dominant allele from their parents to inherit the polydactyl condition. The probability of the offspring having polydactyly is 50% (2 of the 4) and 50% not having it (normal). This can be expressed as a ratio, 2:2 which can be simplified to 1:1. - found on the internet
What is the social function of exposition text?
Answer:
Exposition is a text that elaborates the writer‘s idea about the phenomenon surrounding. Its social function is to persuade the reader that the idea is important matter.
Explanation:
Matching list - biology
what are the 9 characteristics of all living things
Answer:
reproduction
growth
nucleic acids
survival
organic molecules
metabolism
evolution
homeostasis
autonomy.
Use the drop-down menus to answer the questions.
Which feature contains genetic material and is present in a eukaryotic cell but not in a prokaryotic cell?
Answer:
The Nucleus
Explanation:
Prokaryotic cells have DNA (Genetic Material) Floating around in them, but it isn't contained. In Eukaryotic cells, the DNA and other genetic material is stored in the Nucleus of the Cell.
Hope This helped, Please mark brainliest if it did!
Answer:
Nucleus
Explanation:
in a eukatyotic cell there's a Nucleus which contains its genetic material but in a prokaryotic cell there is no Nucleus
PLEASE HELP!!!!
Neurotransmitters can best be described as
A. electrical charges. B. chemical messengers. C. actions. D. reflexes.
A cell in the stem tip of a corn plant contains 20 chromosomes. After this cell divides, how many chromosomes should each resulting daughter cell contain?
Can you write an essay about what makes a good rapper.
I will mark you Brainly.
Answer:
There are many rappers out there in the world yet only a few of them are really well known and recognized. Of course this is because they meet peoples expectations. Different people have different opinions on what makes a good rapper. Things that I think make a good rapper is that they need to have good flow, meaningful lyrics that actually make sense and not just rhyme any word with another that doesn't make sense. Another thing is how they are like as a person as well. If they are a pretty decent human being and meets peoples expectations then they will be considered as a good rapper. If the person is not only ignorant but also can't rap well then they are considered bad. Like I said many people have different opinions but these are just mines.
Explanation:
You may change anything you would like but I hope this helped!
1. The average household in the United States spends $1,500 a year on
a. repairs to the home.
b. windows and doors.
c. insulation.
d. energy bills.
Answer: D. energy bills
Explanation: Good luck! :D
In cats, the bones in the legs involved in
walking are very similar to the bones of
whales' flippers that are involved in
swimming. These are examples of -
F: analogous structures
G: homologous structures
H: vestigial structures
J: endosymbiosis
Answers: G
Answer:
Your answer is most likely G), so you are correct.
These are the example of Homologous structure. So, the correct option is (G).
What are different types of structures?Homologous structures are similar in structure and location, but perform different functions, resulting in divergent evolution. For example, An arm of a human, the leg of a dog or a flipper of a whale are all homologous structures.
Analogous structures are similar in function but have different origins and structures resulting in convergent evolution. For example, from wings in birds, bats and insects to fins in penguins and fishes are all analogous structures.
Structures with similar anatomy, morphology, embryology, and genetics, but dissimilar functions are known as homologous structures, while structures that are superficially similar but perform the same physiological function are referred to as analogous structures.
Thus. these are the example of Homologous structure. So, the correct option is (G).
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An __ reaction is one that takes in energy, causing the surroundings to get __
Fill in the blanks
1. Exothermic, warmer
2. Exothermic, cooler
3. Endothermic, warmer
4, Endothermic, cooler
Answer:
1.
Explanation:
1. imma pro
(Fossils provide scientists with evidence that allows them to hypothesize how living organisms have evolved over time. Tiktaalik roseae was a unique organism that has been nicknamed the “fishapod” because it is believed to be a species had traits of both fish and tetrapods, the first four-legged animals.)
Which evidence would scientist use to make the connection between ancestry of fish and tetrapods using Tiktaalik roseae?
-using transitional forms
-using relative dating
-studying decreasing complexity
-studying analogous structures
Answer:
A. using transitional forms
Explanation:
On Edge 2020
Using transitional forms is the evidence scientist use to make the connection between ancestry of fish and tetrapods using Tiktaalik roseae.
What is Transitional forms?This is referred as the remains of a life form that exhibits traits common to both an ancestral group and its derived descendant group.
The transitional form which is option A is mostly suited as the organisms involved have common traits.
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Eyepiece magnification(EM) X Objective magnification (OM)= Overall Magnification:
Answer:
I. Overall magnification (TM) = x40
II. Overall magnification (TM) = x100
III. Overall magnification (TM) = x400
IV. Overall magnification (TM) = x1000
Explanation:
A microscope can be defined as an optical device that is typically used to make an enlarged (magnified) image of a minute (small) object and as such reveals all the little information about the object that cannot be seen by the natural human eye.
Mathematically, the overall (total) magnification of a microscope is given by the formula;
Overall magnification (TM) = Eyepiece magnification(EM) X Objective magnification (OM).
I. When EM = x10 and OM = x4
TM = EM * OM
TM = x10 * x4
TM = x40
II. When EM = x10 and OM = x10
TM = EM * OM
TM = x10 * x10
TM = x100
III. When EM = x10 and OM = x40
TM = EM * OM
TM = x10 * x40
TM = x400
IV. When EM = x10 and OM = x100
TM = EM * OM
TM = x10 * x100
TM = x1000
Which question, when answered with "yes", indicates that a behavior is an instinct?
A
Does the behavior happen after the organism sees it?
B
Does the behavior improve the more the organism does it?
C
Is the behavior the same in all organisms in a population?
D
Is the behavior taught through play based experiences?
Answer: A
Does the behavior happen after the organism sees it?
Explanation: