Answer:
It shows that the mountain may have once been under water and was raised by natural processes. Maybe
The fossil provide scientists about the way this area might have changed over time, the evidence It shows that the mountain may have once been underwater and was raised by natural processes.
What is fossil ?Any surviving remnants, impression, or evidence of a once-living creature from a previous geological epoch is referred to as a fossil. Examples include fossilized bones, shells, exoskeletons, animal or microbe impressions in stone, amber-preserved artifacts, hair, petrified wood, oil, coal, and DNA traces.
There are four basic categories of fossils, each generated in a unique method and useful for conserving various kinds of animals. These include genuine form fossils, trace fossils, mold fossils, and cast fossils.
Usually, sedimentary rocks include fossils, however rarely, low-grade, fine-grained metamorphic rocks will as well. Sometimes, after the fossils have been removed, the surrounding rock has developed molds.
Thus, option D is correct.
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What does it mean for a system to be in dynamic equilibrium?
Answer:
a state of balance between continuing processes.
Explanation:
Dynamic equilibrium only occurs in reversible reactions, and it's when the rate of the forward reaction is equal to the rate of the reverse reaction.
DOING STUDY ISLAND, NEED HELP
Thermal energy is a form of... A. kinetic energy. B. electrical energy. C. potential energy. D. chemical energy.
Answer:
A. Kinetic Energy
Explanation:
Thermal energy is when the molecules and atoms are vibrating faster due to higher temperatures.
Kinetic energy fits this because the meaning of it is the energy of a moving object.
Since thermal energy comes from moving molecules and atoms, it is therefore a for of kinetic energy.
How many moles would there be in 500,000,000,000 atoms of silver? Show your calculation
and answer in unit
Answer: 3.01 * 10^35
Explanation:
500,000,000,000 * 6.02 * 10^23
There are 3 [tex]\rm \times\;10^3^5[/tex] moles of silver present in the 500,000,000,000 atoms of silver.
According to the concept of molar mass:
1 atom = [tex]\rm 6.023\;\times\;10^2^3[/tex] moles
500,000,000,000 atoms of silver can be written as:
5 [tex]\rm \times\;10^1^1[/tex] atoms of silver.
1 atom = [tex]\rm 6.023\;\times\;10^2^3[/tex] moles
5 [tex]\rm \times\;10^1^1[/tex] atoms = 5 [tex]\rm \times\;10^1^1[/tex] [tex]\times[/tex] [tex]\rm 6.023\;\times\;10^2^3[/tex] moles
5 [tex]\rm \times\;10^1^1[/tex] atoms = 30.115 [tex]\rm \times\;10^3^4[/tex] moles
= 3 [tex]\rm \times\;10^3^5[/tex] moles.
The moles of silver are present in the 500,000,000,000 atoms of silver are 3 [tex]\rm \times\;10^3^5[/tex] moles.
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Kendrick goes to his neighborhood gym to exercise. The process of cellular respiration makes it possible for him to run on the treadmill and to lift weights. What do Kendrick's cells do during cellular respiration?
His cells convert kinetic energy into chemical energy.
His cells use oxygen to break down food molecules to release energy.
His cells absorb light energy through the chlorophyll in their chloroplasts.
His cells combine water and carbon dioxide to produce oxygen and glucose.
Answer: His cells use oxygen to break down food molecules to release energy
Explanation:
Answer:B
Explanation:
HELP FAST PLEASE!!
Producers are able to produce more of a good and to make more profit from __________. A. high prices B. limited demands C. high production costs D. government involvement
Answer:
the answer is A
Explanation:
i took the test on edg. sorry it is so late:(
Answer:A
Explanation:
Fill in the blanks. SPELLING COUNTS!!
Types of Forces
A
repel
is a force that causes an object to move away from the thing pushing it.
A
magnet
is a force that causes an object to move toward the thing pulling it.
Motion is caused by familiar
like a push, pull, friction, gravity, and magnetic attraction.
is a force which resists motion and can also create heat.
Magnetism is a force that can
(pull) and
(push).
Gravity
is a force that pulls objects toward the Earth’s center.
Please answer the blank question or answer all for brainliest
Answer:
cocooooooooooooooooooooooooooo
Explanation:
3n\hj 3ihhjcvyh 6]0u70-uh]h ]]huc7]]uh uhu-hu -u h-u7-u37-]u3- -7u7uh5h57h0u70y c0yuuh-u-]u]3u3 cuyuycuy0nuy0yc6udy8056uy08
Calculate the volume (in cm³) of 38.5 grams of platinum if the density of platinum is 21.5 g/cm³. Give your answer to 2 decimal places
Answer:
[tex]\boxed {\boxed {\sf v\approx 1.79 \ cm^3}}[/tex]
Explanation:
The formula of density is:
[tex]d=\frac{m}{v}[/tex]
If the formula is rearranged for volume, it becomes:
[tex]v=\frac{m}{d}[/tex]
The mass of the platinum is 38.5 grams.
The density is 21.5 grams per cubic centimeter.
[tex]m=38.5 \ g \\d= 21.5 \ g/cm^3[/tex]
Substitute the values into the formula.
[tex]v=\frac{38.5 \ g}{ 21.5 \ g/cm^3}[/tex]
Divide. Note that the grams (g) will cancel each other out.
[tex]v=1.79069767 \ cm^3[/tex]
Round to 2 decimal places (hundredth place). The 0 in the thousandth place tells us to leave the 9 in the hundredth place.
[tex]v\approx 1.79 \ cm^3[/tex]
The volume is about 1.79 cubic centimeters.
Answer:
D = 1.79 cm^3
Explanation:
Use the formula Volume = Mass / Density with what you've been given.
V = 38.5 g / 21.5 g/cm^3
V = 1.790697674 = 1.79 cm^3
Which of the following phrases best describes an atom? Choose the two correct answers.
A.
made up of protons, electrons, and neutrons
B.
made up of solids, liquids, and gases
C.
largest unit of matter
D.
smallest unit of matter
E.
made up of water
Answer:
A & D
Explanation:
all of the other things are made up of atoms, not what atoms themselves are made of. they are not large, and they make up all matter
An atom is made up of a nucleus and revolving electrons. Inside the nucleus protons and neutrons are located. Thus the components of an atom are protons, electrons and neutrons. Thus, option A is correct.
What is an atom?An atom is the basic unit of every substances. Atoms combine together to form molecules, molecules then forms compounds and so on.
The inner core of an atom is called nucleus which contains positively charged particles namely protons and neutral particles neutrons. There are circular paths of fixed energy surrounding the nucleus.
The circular paths around the nucleus is called orbits through which the electrons are revolving. Electrons are negatively charged particles and they neutralize equal number of positive charges.
A neutral atom have equal number of protons and electrons and this number is called its atomic number. The sum of number of protons and neutrons is called the mass number.
Hence, an atom is made up of protons, electrons, and neutrons and option A is correct.
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can someone tell me the answer
Why does the human eye see different colors?
Answer:
The human eye and brain together translate light into color. Light receptors within the eye transmit messages to the brain, which produces the familiar sensations of color. ... Rather, the surface of an object reflects some colors and absorbs all the others. We perceive only the reflected colors
Explanation:
i have advancedddd
Complete each of these
An atom gains electrons to become negatively charged
А
anion
B
cation
с
ionic bond
D
covalent bond
E
metallic bond
Answer:
A) an anion is an ion with a negative charge
B) a cation is an ion with a positive charge
The rest are bonds and do not pertain to the question
When electricity is passed through a common salt solution. Sodium hydroxide is
produced along with the liberation of the two gases X and Y. X burns with pop
sound whereas Y is used for disinfecting drinking water.
a) Identify X and Y
b) Give the chemical equation for the reaction stated above
c) State the reaction of Y with dry slaked lime,
Answer:
a)oxygen and chlorine
b) H20+NaCl= NaOH + O+ Cl
c) Cl2+ Ca(OH)2=CaOCl2+CaCl2 +HCL
Explanation:
electricity splits up the molecules for water and hydrogen displaces chlorine because its is more reactive.
can i has help?
A 2-column table with 7 rows. The first column labeled Material has entries aluminum, iron, lead, sand, steel, wood, water. The second column labeled Specific Heat (Joules per gram times degrees Celsius) has entries 0.90, 0.44, 0.16, 0.83, 0.49, 1.80, 4.18.
Use this chart showing the different specific heat of various materials to answer the questions.
Which material has the highest specific heat?
Which material has the lowest specific heat?
Which material has the ability to absorb twice as much heat as aluminum when placed in the same environment of mass and temperature?
Answer:
water, lead, and wood
Explanation:
All are correct on Edg 2020
Answer:
Which material has the highest specific heat?
water
Which material has the lowest specific heat?
lead
Which material has the ability to absorb twice as much heat as aluminum when placed in the same environment of mass and temperature?
wood
Explanation:
What is the symbol for tin on the periodic table
and how many protons does it have?
Answer:
Symbol for tin- Sn
No. of protons =50
Explanation:
Hope this helps you
Crown me as brainliest
When you add so much solute that no more dissolves you have a(n)
Answer:
When you add so much solute that no more dissolves you have a SATURATED SOLUTION.
Answer:
iIt is called as point of saturation or saturated solution
Someone please help
Answer:
M = molar concentration
n = moles of solute
v = liters of solution
Explanation:
what would be the definition of chemical indicators?
Answer:
Chemical indicator, any substance that gives a visible sign, usually by a colour change, of the presence or absence of a threshold concentration of a chemical species, such as an acid or an alkali in a solution. An example is the substance called methyl yellow, which imparts a yellow colour to an alkaline solution.
Explanation:
When a ball is rolling down a hill, what forces are acting on the ball? Why does it speed up?
Include friction and gravity in your answer.
Answer:gravity
Explanation:
Answer:
the gravity speed up because the friction didn't speed up
WILL GIVE BRAINLIST IF RIGHT
While visiting Thor's Hammer in Bryce Canyon National park, you observe red coloring on the landform. What natural process most likely caused the red coloring? (4 points)
Chemical weathering
Deposition
Erosion
Mechanical weathering
Answer:
Chemical weathering because the landform changed color
Explanation:
Answer: A) Chemical Weathering
Explanation:
I took the test :)
Help! Please will give brainliest for right answer!
Answer:
a positive nucleus gets smaller the negative electrons are attached closer in
Explanation:
A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby weighs 12 N. The carriage has __________ energy.
A. Kinetic
B. Potential
Answer:
B
Explanation:
The carriage has potential energy
If the half-life of Uranium-235 is 176000 years and 12.5 g of Uranium-235 remain after 704000 years, how much of the radioactive isotope was in the original sample.
give me examples of everyday problems you think involve the green substances copper acetate or copper sulfate.
Answer: Copper sulfate is also called blue vitriol, Roman vitriol, Salzburg vitriol, blue copperas or bluestone, which is an inorganic or chemical compound comprised of Copper, Sulphur and Oxygen. It is an odorless crystalline substance, electric blue and highly toxic, which is produced in industries by treating the copper metal with hot concentrated sulfuric acid or treating its oxides with dilute sulfuric acid. It can be produced by slowly leaching low-grade copper ore in air and bacteria may be used to hasten the process.
In the quantum mechanical model, what two words do they use to describe
particles?
Answer:
This question is incomplete
Explanation:
This question is incomplete but one can assume the answer from the definition of quantum mechanics. Quantum mechanics is the science that describes particles in nature at the atomic and subatomic particle (electron, proton and neutron) level. Thus it can be assumed that atoms and subatomic particles are used to broadly describe particles.
Words made from letters of the alphabet are similar to molecules made from atoms. Based on what you already know about matter, which statement best explains this comparison?
A. Atoms can make many different molecules, just like letters can make many different words.
B. Molecules must contain many different atoms, just like words must contain many different letters.
C. There are 26 different atoms that are used to form molecules, just like there are 26 different letters that are used to form words.
D. There are no rules for how letters combine to make words, just like there are no rules for how atoms combine to make molecules.
To see the number of atoms of an element in a given molecule we need to multiply stoichiometry to the number that is written on the foot of the element that is stoichiometry. The correct option is option A.
What is atom?
Atom is the smallest particle of any element, molecule or compound. Atom can not be further divided. Atoms contains nucleus in its center and electron that revolve around the atom in fixed orbit. Atoms can make many different molecules, just like letters can make many different words.
In the nucleus, proton and neutron are present. Electron has -1 charge while proton has +1 charge. Neutron is neutral that is it has no charge. So overall the charge of nucleus is due to only proton, not by neutron.
Therefore, the correct option is option A that is Atoms can make many different molecules, just like letters can make many different words.
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What are the coefficients when the chemical equation below is balanced?
_Fe + _H2SO4 = _Fe2(SO4)3 + _H2
A) 2,3,3,3
B) 3,2,3,1
C) 1,1,1,1
D) 2,3,1,3
find ionic compounds
Answer:
1:1
Explanation:
The ratio of metal cationic atom to non-metal anionic atom in the compound is 1:1.
This is an ionic compound.
This is because metal cationic atom has two valence electrons. Non-metal anionic oxygen has six valence electrons Calcium loses two of its valence electrons to be isoelectronic with Ar and this confers a stable configuration to it. Non-metal oxygen atom accepts the electrons and adds 2 to its 6 electrons to become isoelectronic with neon. So, 1 metal cationic atom combines with 1 non-metal anionic atom to form the compound.Which structure carries instructions for producing the proteins that help make a person’s hair curly?
phosphate
deoxyribose
lipid
gene
Answer: Bipalium kewense is a species of flatworm that can reproduce sexually; however, instead it usually breaks into two pieces, each of which becomes a fully functioning adult.
What is the main method of reproduction for these flatworms?
binary fission
fragmentation
sporulation
fertilization
Answer:
The correct answer should be :D). Gene on edg.
which state of matter is more dense?
solids have more dens than any type of matter and I am sure btw
Answer:
Gas - Liquid - SolidExplanation:
If you are asking which state of matter is more dense of which, then this is the order.
- Liquid is more dense than Gas
- Solid is more dense than Liquid
- Gas is less dense than Air
Just to let you know, Solid is the most dense of them all, making Gas the least dense of the three.
Hope this helps! ^^