Answer:
The respiratory system provides oxygen for cells, while the circulatory system transports oxygen to cells. C. The respiratory system breaks down food for cell energy, while the circulatory system rids the body of waste.
What is the function of the hormone progesterone brainly.
Answer: Progesterone prepares the endometrium for the potential of pregnancy after ovulation. It triggers the lining to thicken to accept a fertilized egg. It also prohibits the muscle contractions in the uterus that would cause the body to reject an egg.
Explanation:
Which of the following correctly describes the effect of sympathetic division of ans on the cardiac activity.
Answer:
The statement 'sympathetic nervous system activation constricts arteries found within the salivary glands' describes the activation of autonomic nervous system function in the circulatory system
In the Aeneid, how does the poet Virgil connect the story of Aeneas to the older tradition of Romulus?
Answer:
He is his ancestor
Explanation:
im almost postive thats the answer
Two football players are running toward each other. One football player has a mass of 105 kg and is running at 8. 6 m/s. The other player has a mass of 90 kg and is running at -9. 0 m/s. What is the momentum of the system after the football players collide? 93 kg · m/s 1,713 kg · m/s. 810 kg · m/s. 903 kg · m/s.
The correct answer is P = 1740 kg · m/s, we got this answer by applying the momentum expression which is P = Δ(mv), based on the fact that the mass is not constant
Given data
Mass of Player one = 105kg
Mass of Player two = 93Kg
The Velocity of Player one = 8.6m/s
The Velocity of Player two = -9.0m/s (the negative sign indicates the opposite direction to player one)
Applying Newton’s Second Law in Terms of Momentum because the mass is not constant
When Newton’s second law is expressed in terms of momentum, it can be used for solving problems where mass varies,
We also want to assume that the players stuck together after the collision
An inelastic collision, in contrast to an elastic collision, is a collision in which kinetic energy is not conserved due to the action of internal friction.
P = M1V1 + M2V2
P= 105*8.6+93*9.0
P = 903 +837
P = 1740 kg · m/s.
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True/false: bolsa thinks they should go to the zoo. True false.
Answer:
True
Explanation:
The given statement is true that bolsa thinks they should go to the zoo, from the story Sancho and Bolsa.
Who is Bolsa in the story?Bolsa was a cartel founding member and close ally of Don Eladio and Hector Salamanca. His brother is the chief of police. He is a high-ranking member of The Cartel, having co-founded it with his boss Don Eladio and Hector Salamanca.
Juan Bolsa is a high-ranking member and co-founder of the Salamanca Cartel, which includes the Salamanca family and Gustavo Fring.
He also worked for a time with drug lord Gustavo Fring before the latter betrayed him and had him killed. Juan Bolsa, a Cartel major lieutenant, hired them to steal Lalo Salamanca's bail money, which totalled $7 million.
Therefore, the given statement is true, that the bolsa believes they should go to the zoo.
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A 2-kg wood block is pulled by a string across a rough horizontal floor. The string exerts a tension force of 30 n on the block at an angle of 20º above the horizontal. The block moves at constant speed. If the block is pulled for a distance of 3. 0 m, how much work is done by the tension force?.
Only the horizontal component (the component parallel to the floor) of tension does work on the block. This parallel component has magnitude
(30 N) cos(20°) ≈ 28.2 N
and acts over a distance of 3.0 m, so it performs
(28.2 N) (3.0 m) ≈ 85 J
of work
How can you tell the artist of the image above was untrained?.
Answer:
where's the image
Explanation:
.........
How to make hydroxyquinoline at home with grapefruit and lemon.
Hydroxyquinoline CANNOT be made from grapefruit and lemon because it can only be synthesized and is not a natural compound.
With this in mind, we can see that hydroxyquinoline is usually used to salve the effects of a freshly cut cow udder as it is applied to soothe skin.
Furthermore, it can be chemically gotten when glycerol is mixed with 2-aminophenol alongside with sulphuric acid and this cannot be gotten from grapefruit and lemon.
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Which statements are true descriptions of earth's interior layers? select the two correct answers.
Answer:
2 AND 6
Explanation:
A piece of equipment costs $30,000, and is expected to generate $8,500 of annual cash revenues and $1,500 of annual cash expenses. The disposal value at the end of the estimated 10-year life is $3,000. Ignoring income taxes, the payback period is:.
Answer:
C. 4.29 years
Explanation:
The computation of the payback period is shown below:
Payback period = Initial investment of the equipment ÷ Cash flows
where,
Initial investment = $30,000
And, the cash flows is
= $8,500 - $1,500
= $7,000
So the payback period is
= $30,000 ÷ $7,000
= 4.29 years
By dividing the initial investment by the cash flows we can get the payback period and the same is applied above.
please mark me brainliest!!
What number is 4 times as many as 25.
Answer:
100
Explanation:
multiply them..... .... . .. . . . . . . . . . . I had to reach the character limit
Bob plants some seeds in a small cup. He puts the cup in the light and waters the soil every day. After 4 days, the seedlings emerge from the soil. What can bob conclude?.
What Bob can conclude after 4 days when the seedlings emerged from the soil is that;
The seedlings exerted an upward pushing force on the soil.
Since he planted some seeds in a cup of soil and puts water and light daily into it, it means that the seedling is supposed to germinate and begin to grow.
However, we are told that after 4 days, the seedlings emerged from the soil. What this means is that the seedlings didn't germinate and as such they instead forced their way up the soil with an upward pushing force.
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To leave the gravitational pull of the earth satellites must have at least.
Answer:
weight
Explanation:
hope it helps
I had $3. 0. My mom gave $10. 0. My dad gave $30. 0. My aunt and uncle gave me $100. 0. I had another $7. 0. How much did i have?.
Answer:
$250 or $150
Explanation:
3 + 10 + 30 + 100 + 100 + 7 = $250
unless you meant your aunt and uncle didn't give you $100 each then it would be $150.
3 + 10 + 30 + 100 + 7 = $150
Which presidential campaign slogan best demonstrates an unwarranted extrapolation?.
In a classic series of studies, solomon asch showed that an individual can conform to a group's judgment of the lengths of lines.
Based on research studies, in a classic series of studies, Solomon Asch showed that an individual can conform to a group's judgment of the lengths of lines "even when the group judgment was incorrect."
What is Solomon Asch Conformity Experiment?Solomon Asch Experiment was conducted in 1955 to study the effect of majority or groups on individual beliefs and opinions.
The study's outcomes showed that people would conform with a group, even if they believe or understand it is wrong.
Hence, in this case, it is concluded that the correct answer is "even when the group judgment was incorrect."
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What is the frequency of a sound source that produces the same wavelength in 20∘c air?.
Based on the standard formula and data in the question, the frequency of a sound source that produces the same wavelength in 20∘c air is "115.87Hz."
What is the frequency of a sound source?The frequency of a sound source is the quantity of waves that move through a point per unit of time.
Typically, a sound wave arises from a source vibrating at a frequency f, propagates at v, and has a wavelength λ.
Therefore, in this case, we have
Velocity (v) of sound in air = 343 m/s
Wavelength (λ) = 2.96 m
Frequency (f) =?
f = v ÷ λ
f = 3.43m/s ÷ 2.96m
=> 115.87Hz
Hence, in this case, it is concluded that the correct answer is 115.87Hz.
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A rock is projected from the edge of the top of a building with an initial velocity of 12. 2 m/s at an angle of 63° above the horizontal. The rock strikes the ground a horizontal distance of 25 m from the base of the building. Assume that the ground is level and that the side of the building is vertical. What is the time?.
The rock travels a horizontal distance x after time t of
x = (12.2 m/s) cos(63°) t
If it hits the ground 25 m away from where it was thrown, then for some time t we have
25 m = (12.2 m/s) cos(63°) t
Solve for t :
t = (25 m) / ((12.2 m/s) cos(63°))
t ≈ 4.5 s
Which of the following is not a characteristic of the type b personality?.
Answer:
Is more emotional & perspective, laid back.
A __________ score allows a researcher to compare scores across different scales. A. Raw b. Distributed c. Standard d. Deviated please select the best answer from the choices provided a b c d.
Answer:
A standard score allows a researcher to compare scores across different scales.
Explanation:
[tex]~\large{\mathfrak{꧁HeavenMistress꧂}}[/tex]
Isaiah, a vibrant young boy, is the leader of a school debate team that is competing with a team from another school. He believes that his team is moral and strong, while the other team members are weak and evil. In the context of misperception, isaiah most likely exemplifies ________ in this scenario.
Considering the situation described above, in misperception, Isaiah most likely exemplifies mirror-image perception in this scenario.
What is mirror-image perception?Mirror-image perception is a term that is used in a socio-psychological context to describe how individuals perceive themselves as the opposite of their competitors.
Usually, in Mirror-image perception, individuals tend to see themselves as an excellent and peace-loving personality, while the other is viewed as the evil and devil advocate.
How Mirror Image Perception is applicable hereTherefore, since Isiah believes that his team is moral and strong, while the other team members are weak and evil, this is an example of Mirror image perception.
Hence, in this case, it is concluded that. the correct answer is Mirror image perception.
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A mixture of iron, salt, and sand can be separated using a magnet, water, a filter, and a hot plate. This separation _____.
Answer:
i think mixture
Explanation:
sorry if it wrong(tried my best)
Answer:
This is an example of a mixture that can be separated with simple separation techniques based on the physical properties of the mixtures. Magnetism, and filtration and evaporation
Iron is a magnetic material, but salt and sand are not, therefore, the iron can be separated from the mixture with the use of a magnet.
Salt and sand are mixable. Salt is soluble in water, but sand is not. Therefore by adding the sand and salt to water, the salt will dissolve,in the water(solvent) to form a salt solution. But the sand can be separated out of the solution by filtration with the filter paper inserted into a funnel which allows the salt solution to pass through while restricting the sand.
The sand would be removed by the filter paper, while the solution passes through.
The salt solution and some sand residues are placed in an evaporating dish and heated at low temperatures. The water from the solution evaporates, leaving the salt behind.
Please select the word from the list that best fits the definition the biological capability to bear children.
Answer:
Edge says Fecundity
Explanation:
Fecundity is the biological capacity of an organism to conceive a child - in conjunction with another organism. For this to occur it is necessary that the man and the woman be fertile, that is, they have fertility. A person's fertility is measured by the number of ovules / seeds that can be fertilized. After fertilization, the fetus grows in the gestational process and becomes a baby.
The correct word from the list that best fits the definition of the biological capability to bear children is fecundity. The correct option is E.
What is childbearing?Women can theoretically become pregnant and give birth from puberty, when they begin having periods, to menopause, when they cease having them. The reproductive years of the average woman last from 12 to 51 years.
The biological ability of one organism to conceive a child in collaboration with another creature is known as fecundity. Both the man and the woman must be fertile, or have fertility, for this to happen.
The quantity of ovules or seeds that can be fertilized is used to determine a person's fertility. The fetus develops during the gestational period after conception to become a baby.
Therefore, the correct option is E. Fecundity.
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The question is incomplete. Your most probably complete question is given below:
population
demography
birthrate
fertility
Fecundity
mortality
Which best describes the first law of thermodynamics as compared to the second law of thermodynamics?.
Answer:
The first law describes how thermal energy is conserved but not the direction it moves.
Thermodynamics is demonstrated as the branch of physics that deals with the associations or relationships between heat and other energy forms like mechanical, chemical, and electrical).
As per the question, the first law discusses that heat is a kind or form of energy and thus, processes associated with thermodynamics are subject to energy conservation principle. Therefore, heat energy can neither be destroyed nor created but rather transferred to one place to another and converted to and from other energy forms.
Thus, the first law of thermodynamics is distinct from the second law as 'the former describes how thermal energy can be conserved to and from other forms of energy and not the direction in which it moves' while the second law focuses on entropy.
Explanation:
El lunes la clase comenzó a las 8:15.
Answer:
On Monday the class started at 8:15.
Explanation:
Which correctly lists the three features shown in the photo? folds, strike-slip faults, and anticlines anticlines, synclines, and folds synclines, normal faults, and strike-slip faults normal faults, folds, and anticlines.
Anthe answer is A
Explanation:
The correct list of the three features shown in the photo are folds, strike-slip faults, and anticlines. The correct option is A.
What are folds?On a geological timescale, modern folds are those that first appeared in the Tertiary Period (between 65 million and 2.5 million years ago). Geological formations known as faults are the result of internal forces that are inclined or vertical (top-down).
The transcurrent fault, which is also known as a horizontal fault, develops when there is movement in the horizontal plane between two blocks.
It is more prevalent in regions where two tectonic plates converge since these zones also experience horizontal movement. When two or more of the tectonic plates of Earth are forced together, fold mountains are formed.
Therefore, the correct option is A, folds, strike-slip faults, and anticlines.
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The question is incomplete. Your most probably complete question is given below: the image is added.
Two scientists want to compare their research of fireflies. Which information must the two scientists provide to each other to determine if they studied the same type of fireflies?.
Answer:
the species name of firefly studied
Which of the following about a contour line is false?.
The statement from the given options that is false about contour lines is;
Option B; Contour lines can cross.
The missing options are;
A. Contour lines form a "V" that points upstream.
B. Contour lines can cross.
C. Contour lines connect points of equal elevation.
D. Concentric contour lines may indicate a hill.
To answer the question, we need to first understand what contour lines are.
Contour lines are lines that are used on topographic maps to show elevations, landform shapes, and slope stiffness. It can also be used to show population density and average income.
An example of a contour lines are Isotherms which means lines of equal temperature.
Now, contour lines do not cross each other but instead will form a v-shape.
Looking at the options, the only one that doesn't apply to contour lines is Option B
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Carbon cycles through the biosphere in all of the following except.
Answer:
Carbon cycles through the biosphere in all of the following processes EXCEPT: photosynthesis, transpiration, burning of fossil fuels, or decomposition of plants & animals
Because the transition into american culture was difficult many immigrant families.
People move for different reasons. Because the transition into American culture was difficult, many immigrant families moved into neighborhoods with people from the same country.
The old immigrants were known to have arrived in America in the 1800's were from Northern Europe. A lot of many immigrants traveled to America in haste as most of them did not a lot of money.
Immigrants in one way or the other did change American culture. Immigrants were known to expand Culture by bringing in New Ideas and Customs.
Due to the fact that the transition into American culture was hard, a lot of people find other alternatives.
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