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serious [3.7K]
3 years ago
12

What is the average pencil brand and type students use?

Chemistry
2 answers:
Nostrana [21]3 years ago
8 0
Dixon No. 2 is the average pencil brand and type that students use.
Rudiy273 years ago
6 0
Um a lot of people use Ticonderoga pencil number 2
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Mademuasel [1]

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Impressionist paintings are a non-example of electric circuits.

Explanation:

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Why natural fas is not used as a bottled gas or as a motor fuel?
qaws [65]

Answer:

Natural gas is an odorless, gaseous mixture of hydrocarbons—predominantly made up of methane (CH4). It accounts for about 30% of the energy used in the United States. About 40% of the fuel goes to electric power production and the remaining is split between residential and commercial uses, such as heating and cooking, and industrial uses. Although natural gas is a proven, reliable alternative fuel that has long been used to power natural gas vehicles, only about two-tenths of 1% is used for transportation fuel.

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Because RNG is chemically identical to fossil-derived conventional natural gas, it can use the existing natural gas distribution system and must be compressed or liquefied for use in vehicles.

CNG and LNG as Alternative Transportation Fuels

Two forms of natural gas are currently used in vehicles: compressed natural gas (CNG) and liquefied natural gas (LNG). Both are domestically produced, relatively low priced, and commercially available. Considered alternative fuels under the Energy Policy Act of 1992, CNG and LNG are sold in units of gasoline or diesel gallon equivalents (GGEs or DGEs) based on the energy content of a gallon of gasoline or diesel fuel.

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Liquefied Natural Gas

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7 0
3 years ago
A ground water tank has its height 2m. Calculate the pressure at its bottom when it is completely filled with water.​
Law Incorporation [45]

The pressure at the bottom : 19600 N/m²

<h3>Further explanation</h3>

Given

A ground water tank has its height 2m

Required

The pressure at its bottom

Solution

Hydrostatic pressure is the pressure caused by the weight of a liquid.  

The weight of a liquid is affected by the force of gravity.  

The hydrostatic pressure of a liquid can be formulated:  

\large{\boxed{\bold {P_h ~ = ~ \rho.g.h}}

Ph = hydrostatic pressure (N / m², Pa)  

ρ = density of liquid (kg / m³)  

g = acceleration due to gravity (m / s²)  

h = height / depth of liquid surface (m)  

ρ = density of water (kg / m³) = 1000

g = acceleration due to gravity = 9.8 m/ sec²

The pressure

\tt P=1000\times 9.8\times 2=19600~N/m^2

6 0
3 years ago
what information can a foliated metamorphic rock provide you about the conditions under which it formed
uysha [10]
The information that a foliated metamorphic rock provide about the conditions it was formed under are:(for many diffrent rocks like Phyllite and Amphibolite) 
you can tell by its features like if its smooth and sleek  or if its rough and bumpy those physical features.
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3 years ago
If an ocean wave has a frequency of 2 hz and a speed of 4 m/s , what is the wavelength
Anastaziya [24]

Answer:

2 m

Explanation:

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3 years ago
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