Answer:
The interaction between the tectonic and the hydrologic systems causes constant recycling of the materials of the Earth's crust. Rocks are heated, metamorphosed, melted, weathered, sediment is transported, deposited and lithified, then it may be metamorphosed again in yet another cycle.
Explanation:
6. A father rabbit had long ears while the mother rabbit had short ears. Which of these statements
explains why one of the baby bunnies could have long ears?
a
The baby bunny inherited its copies of the gene for ear length from its father and not from
its mother. Those genes connect together to make its ears long.
b
The baby bunny inherited its copies of the gene for ear length from its father and not from
its mother. Just like its father's genes, those genes instruct for proteins that connect in
ways that make its ears long.
С
The baby bunny inherited one copy of the gene for ear length from its father and one copy
from its mother. That gene combination instructs for proteins that connect in ways that
make long ears.
d
The baby bunny inherited one copy of the gene for ear length from its father and one copy
from its mother. Those genes connect together to make its long ears.
Answer:
D if I’m correct
Explanation:
The picture below is of oxygens bonded together. This forms a...
a) molecule
b) element
c) molecular compound
d) atom
Answer:
Explanation:
The picture shows two similar structures bonded together so it can not be an atom or molecular compound .
It is a molecule . Each structure ( lobe ) represents atom of oxygen . Molecule of oxygen contains two atoms bonded together .
Molecule of oxygen = O₂ .
Which one show more vapour pressure?
A. alcohol B. gasoline C. water D. both a & b
Forms of energy include ?
Answer:
The different types of energy include thermal energy, radiant energy, chemical energy, nuclear energy, electrical energy, motion energy, sound energy, elastic energy, and gravitational energy.
Explanation:
pls help. the picture is above. thanks!!
Predictions about the future based on the position of planets is an example of physics biology earth science pseudoscience
Answer:
Pseudoscience
Explanation:
Predicting the future based solely on the position of the planets is an example of pseudoscience.
Pseudoscience is a body of knowledge that is not based on the scientific method but on some unverifiable/unprovable claims.
Predictions about the future can only be valid if it is based on the scientific method, not just about the position of the planet. The scientific method involves observation, hypothesis formulation, testing of the hypothesis through repeatable experiments, and arriving at conclusion.
Any other statement or belief that is not based on these procedures is said to be pseudoscientific.
Answer:
The answer to your question is pseudoscience.
Explanation:
I took the module 1 exam and got it right, yesterday.
what are two examples of x-ray waves?
Question 8 of 10
What is R in the ideal gas law equation?
A. The kinetic energy of the gas
B. The number of moles of the gas
C. The molar mass of the gas
D. The ideal gas constant
SUBMIT
Answer:
D
Explanation:
The ideal gas law is: pV = nRT, where n is the number of moles, and R is universal gas constant. The value of R depends on the units involved, but is usually stated with S.I. units as: R = 8.314 J/mol·K
in the diagram of a transverse wave shown, what does P represent?
In the diagram of a transverse wave of electromagnetic radiation P represents frequency.
What is electromagnetic radiation?The electromagnetic radiation consists of waves made up of electromagnetic field which are capable of propogating through space and carry the radiant electromagnetic energy.
The radiation are composed of electromagnetic waves which are synchronized oscillations of electric and magnetic fields . They are created due to change which is periodic in electric as well as magnetic fields.
In vacuum ,all the electromagnetic waves travel at the same speed that is with the speed of air.The position of an electromagnetic wave in an electromagnetic spectrum is characterized by it's frequency or wavelength.They are emitted by electrically charged particles which undergo acceleration and subsequently interact with other charged particles.
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Which phase do the chromosomes line up in the middle
Answer:
metaphase
Explanation:
the cells chromosomes line themselves in the middle of the cell through a type of cellular tug of war.
Answer:
metaphase
Explanation:
During metaphase, the cell's chromosomes align themselves in the middle of the cell through a type of cellular "tug of war." The chromosomes, which have been replicated and remain joined at a central point called the centromere, are called sister chromatids.
What happens during the process of a cellular respiration?
Answer:
During cellular respiration, a glucose molecule is broken down into carbon dioxide and/or water.
Answer:
respiration is a process of gaining. energy and it use a row material like oxygen and glucose and the products will be ATP(energy), ethanol, CO2 the cellular part which is responsible for this is mitochondria, please this process is involved by yeast
Which physical property is demonstrated when you dissolve koolaide in
water?
Answer:
The dissolving of the Kool-Aid powder into water is a physical change. The powder, the solute, is dissolved in water, the solute, forming a Kool-Aid solution.
Which statement correctly compares electric charge with electric current?
A.They both require a human to make them.
B.Neither require charged particles.
C.They both require a battery and a bulb.
D.They both require a movement of charged particles.
Answer:
A. They both require a human to make them.
Explanation: The main difference between current and charge: Current: It is the rate of flow of charge (generally electrons). Current (I) is the physical quantity measured in amperes (A). Charge: It is the deficiency or excess of electrons on a body surface.
why is it important that the level of the sea water does not go above the level of the filter paper
Answer:
The water (the substance) that passes through the filter paper is called the filtrate. If your mixture is a solution, such as salty water, then filtering will not separate the salt from the water. Instead, by heating the soluton the solvent (water) evaporates leaving the solid (salt) behind.
Explanation:
A metal can form
A.
a stable nucleus
B.
an anion
C.
a new family
D.
a cation
What does the line of red semicircles mean on a weather map?
a warm front
a cold front
a stationary front
an occluded front
Answer:
A warm front
Explanation:
Answer: A warm front
Explanation:
Kinetic energy increases as________?
Answer:
THE 1st one
Explanation:
3.1 Copper is a transition
metal. Which part of the
modern Periodic Table is
copper placed in? (1 mark)
LOOK AT PICTURE PLEASEE
Answer:
Its B
Explanation:
Answer: The answer is sodium chloride.
Explanation: Since salt is the most dissolvable, sodium/substance, then that makes salt/sodium chloride, the easiest, to break down.
C₃ H8
What is the subscript for carbon in this molecule?
Answer:
3
Explanation:
Subscript basically tells you the number of element or ions present in a compound. In this case the subscript of carbon which is 3 denotes that only three carbon atoms is present in the compound.
pls help
How many atoms do you have for each element in C₃H₈O?
Answer:
c-3 h-8 o-1 total-12
Explanation:
you just count the atoms
PLS HELP omg im gonna fail :')
Sodium chloride reacts with phosphoric acid to form sodium phosphate and hydrochloric acid.
Answer in a balanced chemical equation.
Answer:
3NaCl + H₃PO₄ → Na₃PO₄ + 3HCl
Explanation:
The reactants in this reaction are:
Sodium chloride - NaCl
Phosphoric acid - H₃PO₄
Products of the reaction:
Sodium phosphate - Na₃PO₄
Hydrochloric acid - HCl
Therefore;
NaCl + H₃PO₄ → Na₃PO₄ + HCl
To balance this reaction expression, assign variables a,b, c and d to it;
aNaCl + bH₃PO₄ → cNa₃PO₄ + dHCl
Conserving Na; a = 3c
Cl; a = d
H; 3b = d
P; b = c
O; 4b = 4c
let c = 1, b = 1, a = 3 and d = 3
So;
3NaCl + H₃PO₄ → Na₃PO₄ + 3HCl
Can someone plz help? Thanks so much!
An atom that contains 6 protons 6 neutrons and 6 electrons has a mass of approximately
1) 12 u
2) 12 g
3) 18 u
4) 18 g
Answer:
12 grams
Explanation:
Electrons do not contribute to mass. The proper unit to use is G
Why is most of the Earth’s fresh water unavailable?
Answer:
2.5% of the earth's fresh water is unavailable: locked up in glaciers, polar ice caps, atmosphere, and soil; highly polluted; or lies too far under the earth's surface to be extracted at an affordable cost.
Explanation:
define "seperation of centrifugation"
plz answer
have a great day
Answer:
ur answer, hope it helps you...
Answer:
Centrifugation is a technique used for the separation of particles from a solution according to their size, shape, density, viscosity of the medium and rotor speed. The particles are suspended in a liquid medium and placed in a centrifuge tube. The tube is then placed in a rotor and spin at a define speed.
115 mL of a 2.35 M potassium
fluoride (KF) solution is diluted with 1.28 L of water. What is the new concentration in molarity?
? M KF
The new concentration : = 0.194 M
Further explanationGiven
115 mL(0.115 L) of a 2.35 M Potassium fluoride (KF)
1.28 L of water
Required
The new concentration
Solution
Dilution is the process of adding solvent to get a more dilute solution.
The moles(n) before and after dilution are the same.
Can be formulated :
M₁V₁=M₂V₂
M₁ = Molarity of the solution before dilution
V₁ = volume of the solution before dilution
M₂ = Molarity of the solution after dilution
V₂ = volume of the solution after dilution
V₂=0.115 + 1.28 = 1.395 L
Input the value :
M₂ = (M₁V₁)/V₂
M₂ = (2.35 x 0.115)/1.395
M₂ = 0.194
Answer: 0.194
Explanation:
HURRY!!!!!!Find the moles of sulfur produced, if 2.5 moles of sulfur dioxide are used in the following chemical reaction: SO2 + 2H2S → 2H2O + 3S
A. none of the above
B. 2.50 mol
C. 1.25 mol
D. 7.5 mol
E. 0.833 -- It is not this one
Answer:
7.5 MOL
Explanation:
What happens in your cells with cellular respiration?
What is the molar mass of Ba3(PO4)2?
Answer:
601.93 g/molexplanation:Problem: The Ba3(PO4)2 (molar mass = 601.93 g/mol) precipitate that formed from a salt mixture has a mass of 0.667 g.
The molar mass of barium phosphate is 601.93 g/mol.
What is molar mass?Molar mass is defined as the mass of a compound divided by the number of moles which is the amount of substance .It is a bulk quantity and not a molecular property of a substance . They are mostly calculated by adding the atomic masses of constituent elements in a compound.
It is an average of many particles or molecules.Molar mass is an intensive property as it does not depend on size of the sample.It has units of kg/mol. Molar masses of elements is given by relative atomic mass of element whereas that of compounds is given by the sum of relative atomic mass multiplied by the molar mass constant.
They are never measured directly , they are measured from the standard atomic masses.
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