Answer:
The circulatory system brings blood through the kidneys where nitrogenous wastes can be filtered. The urinary system helps the circulatory system by maintaining salt balance in the body and adjusting blood pressure by getting rid of or holding on to more water.
Explanation:
2. (1:25) How much does the moon pull on the Earth?
A. More than the Earth's pull on the moon
B. Less than the Earth's pull on the moon
C. Equal to the Earth's pull on the moon
Answer:
a. more than the earth pull on the moon sorry if false
Saturated molecules of this nutrient, which may predispose humans to cardiovascular disease, are solid at room temperature.
whoever can help me will get the brainliest! Please
Answer:
Food chain, in ecology, the sequence of transfers of matter and energy in the form of food from organism to organism. Food chains intertwine locally into a food web because most organisms consume more than one type of animal or plant. ... In a predator chain, a plant-eating animal is eaten by a flesh-eating animal.
Explanation:
What is a wind turbine used for?
Please help
Answer:
it used to generate mechanical power or electricity
What is the mass of propane, C3H8, in a 27.5 L container of gas at STP?
Answer:
54 g
Explanation:
STP means 22.4L/mol
27.5/22.4=1.23(mol)
1.23 mol of C3H8=1.23*44= 54 g
what provides support and transportation of materials for a plant
Answer: Xylem is the tissue responsible for supporting the plant as well as for the storage and long-distance transport of water and nutrients, including the transfer of water-soluble growth factors from the organs of synthesis to the target organs.
Explanation:
Answer:
Xylem is the tissue responsible for supporting the plant as well as for the storage and long-distance transport of water and nutrients, including the transfer of water-soluble growth factors from the organs of synthesis to the target organs
Explanation:
1. Which one does not belong the the group?" helium iodine radon or krypton
Answer:
Iodine
Explanation:
Helium, Radon, and Krypton are all in group 18 but Iodine is not
(it's in group 17)
:)
Which of the following pH values is the most acidic? *
a. 1
b. 3
c. 5
d. 14
How many Na atoms are shown in the products?
Answer: 6.02214179×1023 atoms
Explanation: I think so
What is one disadvantage of using nuclear fission to produce electricity?
Answer:
D
Explanation:
Answer is the last one.......
Nuclear reaction of which nuclear fission is a type has a disadvantage that it is difficult to store and dispose of radioactive wastes.
What are nuclear reactions?
There are two types of nuclear reactions which are nuclear fusion and nuclear fission .They involve the combination and disintegration of the element's nucleus respectively.
In nuclear fission, the nucleus of the atom is bombarded with electrons of low energy which splits the nucleus in to two parts .Large amount of energy is released in the process.It is used in nuclear power reactors as it produces large amount of energy.
In nuclear fusion,on the other hand, is a reaction which occurs when two or more atoms combine to form a heavy nucleus.Large amount of energy is released in the process which is greater than that of the energy which is released in nuclear fission process.
Learn more about nuclear reactions,here:
https://brainly.com/question/12786977
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Black hair (B) is dominant to brown hair (b). Cross a black rabbit and a brown hair. The black rabbit had a brown haired mother.
What is the punnet square for this and the genotype and phenotype for this.
Answer:
Genotypic ratio = 1 Bb: 1 bb
Phenotypic ratio = 1 black rabbit : 1 brown rabbit
Explanation:
This question involves a gene coding for hair color in rabbits. The allele for Black hair (B) is dominant to the allele for brown hair (b).
According to this question, a black rabbit whose mother is brown haired (bb) is crossed with a brown hair rabbit. This means that the black rabbit will have a genotype 'Bb' while the brown rabbit will have a genotype 'bb'. Each parent will produce the following gametes:
Bb - B and b
bb - b and b
Using these gametes in a punnet square (see attached image), the following proportion of offsprings will be produced:
Bb, Bb, bb and bb
This means that the;
Genotypic ratio = 1 Bb: 1 bb
Phenotypic ratio = 1 black rabbit : 1 brown rabbit
7. Some of the following sublevels do not exist. Cross out the ones that are not real.
1s 3d 4p 2d 3f 5s 6p 1p 2s 5g 4f 1f
Answer:
1f 3f 5g 1p 2d
Explanation:
There is only 4f and 5f orbitals.
G is not an orbital.
P orbital starts with 2p
D orbital starts with 3d
helppppppppppppppppppppppp
ITS CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
How many grams of Oz would be needed to produce 1.875 moles of aluminum?
4 AI + 3 O2 -> 2Al2O3
Answer:
1.4063 moles of oxygen are required
Explanation:
Based on the chemical equation:
4Al + 3O₂ → 2Al₂O₃
4 moles of aluminium react with 3 moles of oxygen.
To solve this question we need to convert the moles of aluminium to moles of oxygen using the chemical reaction:
1.875 moles Al * (3 moles O₂ / 4 moles Al) =
1.4063 moles of oxygen are requiredSelect odd one out.
I) O
II) Na
III) Cu
IV) Ag
Explanation:
0 is the odd one...............
and rest are metals and they lose electron and 0 gain electron and is non metal
In your opinion,what will happen to a person who has sustained injury in the spinal cord?
Answer: I think they get will paralysed and some of the impulses may not be able to get through.
Help me please!
Main-block transition metals, such as iron, make good building materials for all of the following reasons EXCEPT____.
A. Resistance to corrosion
B. Insulation
C. Strength
D. High density
3. When the water level is higher outside the flask than inside, is the gas pressure inside the flask higher, lower or the same as atmospheric pressure? (Take your time to think about this. Perhaps think of what it feels like to be 10 feet under water.)
Answer:
The gas pressure inside the flask is higher than outside the flask ornthe atmospheric pressure.
Explanation:
Given a U-tube manometer with water in between each arm of U-tube. One end is open to the atmosphere while one end is sealed to a flask filled with a gas. The water in the open end of the tube is experiencing a pressure equal to the atmospheric pressure whereas the water at the end sealed of to the flask is experiencing pressure due to the gas in the flask.
If the water level in both arms of the tube are equal, then the pressure due to the gas is equal to atmospheric pressure.
If the water level in the arm sealed to the gas is higher than that of the open end, The gas pressure is less than the atmospheric pressure.
If the water level in the arm sealed to the flask is lower than the open end, the pressure due to the gas is higher than atmospheric pressure.
From the question, when the water level is higher outside the flask than inside, then the gas pressure inside the flask is higher than the atmospheric pressure.
Plz helpppp^^^^^^^^^^
Help e please i give brainlist
Answer:
c
Explanation:
Which of following is true of liquids?
Group of answer choices
The particles move at a high rate of speed
The particles have a medium amount of kinetic energy and slide past one another.
The particles vibrate in place.
The particles have a fixed volume and shape
Answer:
The particles have a medium amount of kinetic energy and slide past one another
Explanation:
If particles move at a high rate of speed its gas, and if they vibrate in place and they have a fixed volume and shape its probably a solid. So a medium amount of kinetic enery is correct.
Lodestone is magnetic. How might you identify weather a mineral sample might be lodestone
A. By examining how it bends
B. By determining if it contracts electricity
C. By determining if it glows under ultraviolet light
D. By determining if it attracts metal objects
Answer: D
Explanation:
Explain the difference, with sketches, between the titration curves of monoprotic acid and a triprotic acid.
Answer:
A monoprotic acid has only one equivalence point in a titration curve while a triprotic acid has three equivalence points.
Explanation:
Monoprotic acids, HA, are acids that are able to donate one proton per molecule during the process of ionization or dissociation as shown below:
HA ----> H⁺ + A⁻
A triprotic acid is a polyproprotic acid, that is acids that can donate more than one proton per molecule during ionization. a triprotic acid can donate three protons per molecule during the process of ionization. The dissociation of a triprotic acid is shown below;
H₃A -----> H₂A⁻ + H⁺
H₂A⁻ ----> HA²⁻ + H⁺
HA²⁻ -----> A³⁻ + H⁺
The value Ka, is known as the acid dissociation constant. It is found by looking at the equilibrium constant for the dissociation of the acid. The higher the Ka, the more the acid dissociates
A titration curve is the plot of the pH of the analyte solution versus the volume of the titrant added as the titration progresses.
In a titration curve in which base is added to acid, the pH rises slowly until the equivalent point at which point the pH remains constant before it begins to rise again on the addition of more base.
In a titration curve of a monoprotic acid, there is only one region in which the equivalence point is obtained corresponding to the point of acid of dissociation of all its protons.
In the titration curve of a triproprotic acid, three equivalent points are obtained corresponding to the point of dissociation of each of three protons of the triprotic acid.
The titration curves are shown below
which substances corrode copper?
Which of the following is a product in the reaction described by the word equation below?
iron + copper(II) sulfate ----------> iron(II) sulfate +copper
Answer:
Please answer my question
Two
moin tunetons of carbohydraus
Answer:
Carbohydrates can be divided into two main types: simple and complex. Simple carbohydrates are made up of just one or two sugar units, whereas complex carbohydrates are made up of many sugar units.
Which of the elements shown below has 7 Valence e-? Help please timed!!!
Answer:
Fluorine
Explanation:
Valence means the outer most energy level
In what way is heat transferred to the tubes? (Hint “touching’”)
Please help
answer:
in heat transfer, as the fluid flows along the tube, the wall layers are heated or cooled. temp. variation occurs in the wall layers.
good luck :)
hopefully, this helps
have a great day !!
How much pressure does an elephant with a mass of 2200 Kg and a total footprint area of 4500 cm2 exert on the ground?
Answer:
47911.1 pa
Explanation:
The SI base unit of pressure is pascal, which is N/m^2.
2200 kg is 2200*9.8=21560 N, and 4500 cm^2=4500/10000=0.45 m^2.
So the total pressure exerted on the ground (!!) is 21560/0.45= 47911.1 Pa.
A rock sitting on the surface of the Earth is pushed down deep into the Earth over time and is exposed to tremendous heat and pressure over time. Although the rock does not melt, it does change into a new type of rock.
Answer:
The rock changes into a Metamorphic rock
Explanation:
Usually, metamorphic rocks start out as some other type of rock, either igneous, sedimentary or even a metamorphic rock. The process of transformation is known as Metamorphism.
When a rock sitting on the surface of the earth is pushed down deep into the earth over time and is exposed to tremendous heat and pressure over time and does not melt, it changes into a metamorphic rock.
A metamorphic rock is formed from a combination of factors such as tremendous heat, high pressure, hot fluids rich in minerals which are all found deep down in the earth.