Which type of wave is shown in the image?

Answer:

b

Explanation:

the plates crash into each other and form a mountain yea that's it

Answer:

C4H8O2

Explanation:

The molar mass of the compound we're looking for is 88.

54.5% of 88 is 4, this is how many carbons will be in the compound.

9.1% of 88 is 8, this is your hydrogens.

and 36.4% of 88 is roughly 3, however if you subtract the previous amounts to round down, you get 2; the oxygen amount.

Combine them all and you get C4H8O2

Solar energy has been proven to be the most efficient and effective among renewable energy sources for home and commercial use.

Hope this helpes UwU

Answer:

I'm pretty sure it's B

Explanation:

If i'm wrong i'm sorry :(

Answer:

ice

Explanation:

its ice ice ice ice ice ice

Answer:

The correct answer is D

Explanation:

Ice is a solid, so if heat is added to it the ice will melt causing it to form into a liquid, once the ice turns into a liquid, it begins to turn into gas.

Your welcome!

Saturated hydrocarbons are major components of gasoline. The correct option is C.

Saturated hydrocarbons are those hydrocarbons in which the carbon atoms is attached with hydrogen atom with only single bond. They are the simplest form of hydrocarbons. Much hydrogen is attached to one carbon.

Thus, the correct option is C, gasoline.

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Saturated hydrocarbons are major components of gasoline.

Alkanes are saturated hydrocarbons, chemical molecules with solitary carbon-atom bonds. Petroleum, natural gas, and coal contain them, as do many industrial and home items. Heating, cooking, and transportation employ saturated hydrocarbons, which burn easily. They are less reactive than unsaturated hydrocarbons because they lack double or triple bonds.

Saturated hydrocarbons are CnH2n+2, where n is the number of carbon atoms. Methane (CH4), a colourless, odourless gas, is the simplest alkane. Tetracontane (C40H82), a solid at ambient temperature, is the biggest. The structure and amount of carbon atoms of saturated hydrocarbons determine their physical and chemical characteristics.

Saturated hydrocarbons make polymers, rubber, and solvents. Lubricants, cosmetics, and pharmaceuticals utilise them. Saturated hydrocarbons emit greenhouse gases when burned, leading to global warming and climate change.

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Answer:

I NEED POINTS C, D, B

Explanation:

see how it feels

(if your confused look at her answers)

If a car is accelerating at a constant rate the force acting on the car will be the same. Therefore, the given statement is false.

According to Newton’s second law, the force acting on an object equals mass times acceleration for a constant mass of an object.

The acceleration of a body depends on two variables. The first one is the net force acting on the object and the mass of the object. The acceleration is inversely proportional to the mass and is directly proportional to the net force acting on the body.

The expression of Newton’s second law can be represented in an equation as follows:

F = ma  

Where acceleration is the first derivative of the velocity.

If the acceleration of the car is constant then the car is moving with a uniform velocity. If there is no change in the acceleration then according to newton's second law of motion, the force acting on the car will be the same. It will not increase.

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Answer:

Hallo whats up?

Explanation:

Answer:

398 mL

Explanation:

Using the equation for molarity,

C₁V₁ = C₂V₂ where C₁ = concentration before adding water = 8.61 mol/L and V₁ = volume before adding water, C₂ = concentration after adding water = 1.75 mol/L and V₂ = volume after adding water = 500 mL = 0.5 L

V₂ = V₁ + V' where V' = volume of water added.

So, From C₁V₁ = C₂V₂

V₁ =  C₂V₂/C₁

= 1.75 mol/L × 0.5 L ÷ 8.61 mol/L

= 0.875 mol/8.61 mol/L

= 0.102 L

So, V₂ = V₁ + V'

0.5 L = 0.102 L + V'

V' = 0.5 L - 0.102 L

= 0.398 L

= 398 mL

So, we need to add 398 mL of water to the nitric solution.

Global warming is a part of climate change and is partially caused by increased greenhouse gases from burning of fossil fuels, deforestation, agriculture, and other industrial causes.

The Earth's temperature had already warmed by 1°C compared to pre-industrial levels. This temperature rise may appear small, but small rises in temperature translate into big changes for the world’s climate.

This is because the amount of extra energy needed to increase the world’s temperature, even by a little, is vast. This extra energy is like force-feeding the global climate system.

●Hotter days

●Rising sea level

●oceans are warming

Melting glaciers, early snowmelt, and severe droughts will cause more dramatic water shortages and increase the risk of wildfires in the American West.

Rising sea levels will lead to coastal flooding on the Eastern Seaboard, especially in Florida, and in other areas such as the Gulf of Mexico.

Forests, farms, and cities will face troublesome new pests, heat waves, heavy downpours, and increased flooding. All those factors will damage or destroy agriculture and fisheries.

Disruption of habitats such as coral reefs and Alpine meadows could drive many plant and animal species to extinction.

Allergies, asthma, and infectious disease outbreaks will become more common due to increased growth of pollen-producing ragweed, higher levels of air pollution, and the spread of conditions favorable to pathogens and mosquitoes.

Explanation:

[tex]\huge{\underline{\underbrace{\mathcal\color{fucshia}{\bigstar{Global~warming}}}}}[/tex]

[tex]\mapsto[/tex] It is the steady and continuous rise in the level of earth temperature. Out earth surface is becoming hotter day by day just because of some unnoticeable habits of human beings all across the world. Global warming has become the most worrying threat for the earth’s atmosphere as it is reducing the life possibilities on the earth day by day through a continuous and steady declining process.

[tex]\mapsto[/tex]before planning the solutions of the global warming, we must think about the causes and effects of it on the atmosphere in order to get sure that we are in right direction of getting full relief from this issue. The continuous warming of the earth surface is the increasing emission of CO2 in the environment. However, the increasing level of CO2 is caused due to many reasons like deforestation, use of coal, oil, gas, burning of fossil fuels, burning of gasoline for transportation, unnecessary use of electricity, etc which in turn causes rise in earth temperature. Again it becomes the reason of rising sea level, occurrence of flooding, storms, cyclone, ozone layer damage, changing weather patterns, fear of epidemic diseases, lack of food, death, etc. We cannot blame any single entity for this as each and every human being is responsible for the increasing threat of global warming which can be solved only by the global awareness and kind efforts of everyone.

[tex]\mapsto[/tex]all people should come forth together and try to solve it in order to save life on the earth.

Answer:

I believe B

Explanation:

Hope this helps

Answer:

yes

Explanation:

In eukaryotes, however, genetic material is housed in the nucleus and tightly packaged into linear chromosomes. Chromosomes are made up of a DNA-protein complex called chromatin that is organized into subunits called nucleosomes.

Answer:

6) λ  =  0.84 × 10⁻⁸ m

7) λ  =  0.84 × 10⁻⁶ m

Explanation:

6) Given data:

Wavelength of photon = ?

Frequency of photon = 3.56 × 10¹⁶ Hz

Solution:

Formula:

Speed of radiation = frequency × wavelength

c = speed of wave = 3×10⁸ m/s

by putting values,

3×10⁸ m/s  = 3.56 × 10¹⁶ Hz ×  λ

λ  =  3×10⁸ m/s   / 3.56 × 10¹⁶ s⁻¹

λ  =  0.84 × 10⁻⁸ m

7) Given data:

Wavelength of photon = ?

Frequency of photon = 6.15 × 10¹⁴ Hz

Solution:

Formula:

Speed of radiation = frequency × wavelength

c = speed of wave = 3×10⁸ m/s

by putting values,

3×10⁸ m/s  =  6.15 × 10¹⁴ Hz ×  λ

λ  =  3×10⁸ m/s   /  6.15 × 10¹⁴ Hz s⁻¹

λ  =  0.84 × 10⁻⁶ m

Answer:

The answer is D.

Explanation:

Because the SI units of mass is kg,

volume is m³,

length is m,

Temperature is Kelvin.

Answer:

I'm pretty sure the volume decreases because the volume is like how much space it takes up. Sorry if im wrong.

Answer:

49.18 eV hope this helps

Answer: Na2C2O4 + Pb(NO3)2 = PbC2O4 + NaNO3 - Chemical Equation Balancer.

Explanation:

Answer:

Mercury did u want me to explain or u wanted the answer

Explanation:

Explanation:

during this reaction this will produce 2 molecules of No

The isotope notation : [tex]\large {{{11} \atop {5}} \right X}[/tex]

Given

53 protons and 20 neutron

Required

The isotope notation

Solution

Isotopes are elements that have the same atomic number with a different mass number

The following element notation,

 [tex]\large {{{A} \atop {Z}} \right X}[/tex]

X = symbol of element

A = mass number

   = number of protons + number of neutrons

Z = atomic number

   = number of protons = number of electrons, on neutral elements

So the mass number of element = 5 + 6 11

Atomic number = 5

The symbol :

[tex]\large {{{11} \atop {5}} \right X}[/tex]

Answer:

B

Explanation:

The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction

Answer:

Photosynthesis uses water and Carbon Dioxide to produce sugar and oxygen.

Explanation:

During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and the carbon dioxide into glucose.

Explanation:

the cart will be slowed down because the weight was added to the right the cart won't stop for about 10 seconds. there will be a lot of pull and friction therefore the cart slows down drastically