carbon-carbon covalent bonds, such as the ones in carbohydrates and lipids, are _____ and have _____.

Answer: D

Explanation: The Eukarya differ from the Archea and Bacteria in that their cells are eukaryotic, meaning they contain a membrane enclosed nucleus and other membrane enclosed organelles.

Eukarya is different from organisms classified as Archaea and Bacteria because Eukarya have membrane-bound nuclei. Therefore, option (D) is correct.

The type of cell of the organism can be classified into three domains. First is the bacteria which have no nucleus present in cells. Then Archaea have no nucleus in the cells but they have a different cell wall than bacteria. Then Eukarya have a nucleus in them.

The domains of Archaea and Bacteria are both composed entirely of small, single-celled organisms but they also have differences. All are composed of prokaryotic cells, which are nucleus-less cells.  T

All the cells in the Eukarya domain contain their genetic material or DNA within the nucleus. Four classes make up the Eukarya domain: Plantae, Fungi, Animalia, and Protista.

Therefore, the domain of the Eukarya is different from organisms classified as Archaea and Bacteria as Eukarya have membrane-bound nuclei.

Learn more about Eukarya, here:

https://brainly.com/question/1116319

#SPJ6

The type of wave is shown in the image is transverse wave and the correct option is option B.

A transverse wave is a wave in which particles of the medium vibrate at right angles, or perpendicular, to the direction that the wave travels.

Transverse waves commonly occur in elastic solids, oscillations, in this case, are the displacement of solid particles from their relaxed position, in the direction perpendicular to the propagation of the wave.

Transverse waves can travel through empty space as electromagnetic waves or be mechanical waves.

Therefore, The type of wave is shown in the image is transverse wave and the correct option is option B.

Learn more about Transverse waves, here:

https://brainly.com/question/13863548

#SPJ2

Answer:

Where are the answer choices

?

In the mountaintop removal process, the entire mountaintop is removed to extract coal i.e., option (b) is the correct answer.

Mountaintop removal is a mining technique primarily used to extract coal from mountaintops.

It involves removing the top layers of soil, vegetation, and rock to expose the coal seams underneath.

This process is typically carried out using heavy machinery, including excavators and bulldozers, to clear the area and access the coal deposits.

While other fossil fuels such as oil and natural gas are extracted from underground reserves, mountaintop removal specifically targets coal deposits.

The process is prevalent in coal-rich regions, particularly in the United States, where it has been a subject of environmental concern due to its significant ecological impacts, including deforestation, habitat destruction, water pollution, and disruption of ecosystems.

Therefore, the correct answer is option (b), coal.

Mountaintop removal is specifically associated with the extraction of coal, while oil and natural gas are extracted using different methods such as drilling and hydraulic fracturing in different geological formations.

Learn more about mining techniques here:

https://brainly.com/question/30754271

#SPJ11

Answer:

The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object. The direction of the force on the first object is opposite to the direction of the force on the second object. Forces always come in pairs - equal and opposite action-reaction force pairs. 

Explanation:

The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object. The direction of the force on the first object is opposite to the direction of the force on the second object. Forces always come in pairs - equal and opposite action-reaction force pairs. 

The empirical formula, which represents the simplest ratio of atoms in a compound, may be useful in the lab setting but not useful for predicting the properties and functions of materials.

In the lab, the empirical formula can be useful for identifying the composition of a compound, especially if the molecular formula is unknown. It can also help in determining the stoichiometry of a reaction, which can be important for conducting experiments. However, the empirical formula does not provide information about the actual number of atoms or the arrangement of atoms within a molecule, which can greatly affect the properties and functions of a material.

Therefore, while the empirical formula can be a useful tool in the lab setting, it may not be sufficient for predicting the properties and functions of materials. More detailed information about the molecular formula and structure is needed for accurate predictions.

To know more about empirical formula, visit:

https://brainly.com/question/14044066

#SPJ11

Answer:

stream

Explanation:

because a stream goes into a lake

Answer:

D) Stream

Explanation:

It's most likely that the circuit B is a series circuit while circuit A is a parallel circuit.

Circuits are basically two or more terminal components and electrical devices that is connected to each other. They can be connected in a series circuit or parallel circuit.

A series circuit is a circuit that connects its components using the same current flows. The current only has one path. Because of that, if one bulb fuses or removed, all the bulbs in the circuit won't light up.

A parallel circuit is a circuit that has multiple paths for the electric current to flow through. That makes the components have a constant voltage across all ends. Because of that, even if one bulb is removed, the other bulbs will stay lighted up.

Learn more about circuits at https://brainly.com/question/27084657

#SPJ4

Answer: simple distillation is used to separate substances in mixtures with widely disparate boiling points, whereas fractional distillation is used for mixtures containing chemicals with similar boiling points.

Explanation:

Answer:

Mg + CuO2 = MgO + Cu+

Zn + MgO= ZnO + Mg

Zn + Cuso4 = ZnS + SO2 + Cu

what are the conditions for reaction like are they cocentrated?

1. The half life of the element, given the data from the question is 1600 years

2. The time taken for 312 g of the sample to decay to 9.75 grams is 8000 years

Half-life is the time taken for half a material to decay.

To determine the half life of the given element, do the following:

We'll begin by determining the number of half-lives that has elapsed. This can be obtained as follow:

2ⁿ = N₀ / N

2ⁿ = 312 / 9.75

2ⁿ = 32

2ⁿ = 2⁵

n = 5

Finally, we shall determine the time. This can be obtained as follow:

t = n × t½

t = 5 × 1600

t = 8000 years

Learn more about half life:

https://brainly.com/question/26374513

#SPJ1

Answer:

True

Explanation:

Orbital shape has everything to do with the spatial arrangement of covalently bonded atoms.

In chemistry, orbitals are the regions where electrons are found orbiting around the nucleus of an atom.

The shape of the orbital is determined by the Schrödinger equation, which is a fundamental equation in quantum mechanics.

The spatial arrangement of any covalently bonded atoms is dictated by the orbitals involved in the bond.

The hybridization of orbitals occurs in the bonding process.

The orbitals combine to form new hybrid orbitals with different shapes, which determine the spatial arrangement of atoms.

These hybrid orbitals include sp, sp2, and sp3 orbitals, which correspond to different bond angles and geometries.

In conclusion, the shape of the orbitals affects the spatial arrangement of covalently bonded atoms.

Hybrid orbitals are formed when the orbitals combine, and these hybrid orbitals determine the spatial arrangement of the atoms.

To know more about spatial arrangement visit;

https://brainly.com/question/28321158

#SPJ11

Answer: Energy is removed from the particles in each change, but more energy is removed in melting than in boiling because the attractions are weaker. Energy is removed from the particles in each change, but more energy is removed in boiling than in melting because the attractions are weaker. Energy is added to the particles in each change, but boiling requires more energy than melting because the attractions must be completely overcome. Energy is added to the particles in each change, but melting requires more energy than boiling because the attractions must be completely overcome.  

Answer:

If you are given with the atomic number of an element you can find it's period number and group number. The period number is related to the number of electron occupied shells in the element and the period number is linked to its valence electrons.

Explanation:

hope it helps luv <3

We can see here the statement that is true for APA formatted citations is:

D. All in-text citations include the authors' last names, first initials, and the year of publication.

APA Format, also known as APA Style, is a set of guidelines and rules established by the American Psychological Association for writing and formatting academic papers, research reports, and other scholarly documents. It is widely used in the fields of social sciences, psychology, education, and other related disciplines.

In APA style, when citing sources within the text of a paper, the standard format includes the authors' last names, first initials, and the year of publication. This information is typically placed within parentheses, such as (Smith, J., 2020).

Learn more about APA Format on https://brainly.com/question/18461731

#SPJ4

The complete question is:

Select the statement that is true for APA formatted citations.

A. Quotations that are 40 or more words should be formatted as a block

B. The period goes before the citation for quotations less than 40 words.

C. The citation should go in this order: (author, p. #, year)

d. All in-text citations include the authors' last names, first initials, and theyear of publication.

Explanation:

Hey there!

Your answer is: acid X having ph value 2.

The reason is when we see on an indicator, we find that different ph values of acids and bases. Generally, acids are located in left side of an indicator. 1,2,3 are most strong acid and 4,5,6 are weak acid according to the indicator's study.

So, we can derive that " X " acid is strong.

Hope it helps...

There is a way to decrease the concentration of an ion here. The carbonate ion happens to be easy to decrease. All we have to do is add some acid (say HCl) to the container. The following sequence of reactions explains how this WO r ks.

As long as more acid is added, this process will continue until all the solid Zn CO3 has been dissolved

Answer:

Explanation:

Primary and secondary succession occur after both human and natural events that cause drastic change in the makeup of an area. Primary succession occurs in areas where there is no soil and secondary succession occurs in areas where there is soil.

In primary succession, newly exposed or newly formed rock is colonized by living things for the first time. In secondary succession, an area previously occupied by living things is disturbed—disrupted—then recolonized following the disturbance.

Hope this helped :)

-Akito

The enthalpy of reaction once you have m, the mass of your reactants, s, the specific heat of your product, and T, the temperature change from your reaction.

Therefore,

Weight water = 348 g

Specific Heat capacity Cp = 2.06 J/g °c

Temperature change ΔT =   127 -103 = 24

Change in enthalpy of the System ΔH = m Cp  ΔT

 = 348 x 2.06 x 24= 17205.12 J.

To learn more about : Enthalpy

Ref : https://brainly.com/question/14047927

#SPJ10

The addition of the HCl solution to the yellow solution causes the pH to decrease, which shifts the equilibrium of methyl red towards the acidic form and results in the solution turning red.

A pH indicator called methyl red changes color across a certain pH range. When the pH is below 4.4, it is yellow and when the pH is above 6.2, it is red. The pH of the mixture is neutral when methyl red is added to distilled water which is higher than the pH range where methyl red turns red. As a result, the mixture appears yellow.

Therefore, the addition of the HCl solution to the yellow solution causes the pH to decrease, which shifts the equilibrium of methyl red towards the acidic form and results in the solution turning red.

Learn more about methyl red here : brainly.com/question/29315749

#SPJ4

The density of the metal is [calculate the density].

To find the density, we need to determine the molar mass of the metal and the volume of the unit cell. Since the unit cell is body-centered cubic, it contains two atoms. The edge length of the unit cell is given as 321 pm.

The volume of the unit cell can be calculated using the formula: Volume = (edge length)³. Substituting the given value, we have:

\(Volume = (321 pm)^3.\)

Converting the edge length from picometers to meters, we get:

\(Edge length = 321 × 10^(-12) m.\)

Now, we can calculate the volume:

\(Volume = (321 × 10^(-12) m)^3.\)

Next, we need to determine the molar mass of the metal. Once we have the molar mass and the volume, we can calculate the density using the formula: Density = Mass / Volume.

Learn more about calculating the density visit at:

https://brainly.com/question/1354972

#SPJ11

Answer:

On the left side of calcium atom.

Explanation:

There are two dots are present on the left side of calcium atom which represents the unpaired electrons present in the outermost shell. This structure is presented by Lewis in order to show the number of unpaired electrons in the atom. if the calcium atom loses these two electron during a chemical reaction so the two dots disappear and the calcium atom is now stable.

Answer:

the electrons in the fourth shell

Explanation:

the Lewis electron dot diagram represents the valence electrons, in the case of calcium, the V.E. are in the fourth shell

Answer:

So yes it True.

Explanation:

A seismometer is the internal part of the seismograph, which may be a pendulum or a mass mounted on a spring; however, it is often used synonymously with "seismograph".

Seismographs are instruments used to record the motion of the ground during an earthquake. They are installed in the ground throughout the world and operated as part of a seismographic network. The earliest "seismoscope" was invented by the Chinese philosopher Chang Heng in A.D. 132. This did not, however, record earthquakes; it only indicated that an earthquake was occurring. The first seismograph was developed in 1890.

A seismograph is securely mounted onto the surface of the earth so that when the earth shakes, the entire unit shakes with it EXCEPT for the mass on the spring, which has inertia and remains in the same place. As the seismograph shakes under the mass, the recording device on the mass records the relative motion between itself and the rest of the instrument, thus recording the ground motion. In reality, these mechanisms are no longer manual, but instead work by measuring electronic changes produced by the motion of the ground with respect to the mass.

A seismogram is the recording of the ground shaking at the specific location of the instrument. On a seismogram, the HORIZONTAL axis = time (measured in seconds) and the VERTICAL axis= ground displacement (usually measured in millimeters). When there is NO EARTHQUAKE reading, there is just a straight line except for small wiggles caused by local disturbance or "noise" and the time markers. Seismograms are digital now - there are no more paper recordings.

I hope this helps:3

A seismograph is placed on the surface of the ground to detect any vibration. Therefore, the given statement is correct.

A seismometer can be described as an instrument that responds to ground noises and shaking such as earthquakes, volcanic eruptions, and explosions. Seismometers are generally attached with a timing device and a recording device to create a seismograph.

The output of such a device is recorded on paper or film, now recorded and processed digitally known as a seismogram. This data is used to locate and characterize earthquakes, and to study the internal structure of the earth.

A seismoscope is used to trigger the device to start recording, and then a recording surface would form a graphical illustration of the tremors automatically.

A seismometer feels the up-down motions of the Earth that move along with any motion detected. The relative motion between the weight and the frame offers a measurement of the vertical ground motion.

Learn more about seismograph, here:

https://brainly.com/question/1828024

#SPJ5

Particulate matter is a complicated combination of solid particles and liquid droplets in the air.

Industrial activities, transportation, and fossil fuel burning produce it. Composition, size, and other variables affect particulate matter's chemical reactions.

Particulate particles may react chemically in the atmosphere, including:

Oxidation: Particulate matter reacts with ambient gases like O2 and NOx to generate oxidised particles. Sulphate particles may arise from power plant and other SO2 emissions.

Nucleation: Atmospheric gases generate new particles. H2SO4 and NH3 gases may generate new particles.

Coagulation: Small particles mix to generate bigger particles. When microscopic particles hit and cling together, they generate bigger particles that settle more readily.

Photochemical reactions: Particulate matter exposed to sunlight undergoes photochemical reactions, forming new particles and changing their chemical makeup.

Learn more about Particulate matter, here:

https://brainly.com/question/15230454

#SPJ1

Answer:

d. Methanol is more acidic than the alkyne and will be deprotonated instead.

Explanation:

because acidity is the ability to lose H+, leaving an anion behind; acidity depends on the stability of the anion.

Answer:

H 2 O

Explanation:

H 2 O can act as a Brønsted-Lowry acid by donating a proton to produce its conjugate base OH - (known as the hydroxide ion). H 2 O can act as a Brønsted-Lowry base by accepting a proton to produce its conjugate acid H 3 O + (known as the oxidanium ion, or oxonium ion, or, in older textbooks as the hydronium ion (5)).

Answer:

mols solute(K2S) = grams/molar mass = ?

Then M = mols/L. You know M and mols, solve for L.

Explanation:

3.5/0.1

L= 35

Hope this helps!!

Please tell me if I have made a mistake!!

I enjoy learning from them:)

Answer:

0.32L

Explanation:

Use formula of V= wt/mm•M.
To get this information we need to first get the molar mass (mm).
mm:
K - 2 x 39.09
S - 1 x 32.06
K2S - 110.262 g/mol

Now we plug it back into the equation.
3.5g/ (110.262 g/mol) • (0.100M)
= 0.317 L of solution

To round to the correct number of siginficant figures the answer is.
= 0.32 L