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julia-pushkina [17]
3 years ago
5

TRUE OR FALSE: ancient swamp plants slowly decayed and turned into peat, the first step in making coal.

Physics
2 answers:
balandron [24]3 years ago
4 0
Not so fast! you are right the first step is that the plants and animals have to decay then they turn to peat and then in a million years time you have coal !!!!!!! :)
mamaluj [8]3 years ago
3 0

Answer:

True

Explanation:

In the first step of coal making all the plant species and trees which start decaying, gets buried under the earth crust and lead to the formation of peat. The peat is further acted upon by the heat and pressure thereby leading to the formation of lignite coal (soft brown coal), which further turns into bituminous coal (black and brittle) and then get converted into anthracite (highest carbon content and is found at greatest depth)

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3 years ago
Discuss five occasions when people dance ​
Xelga [282]

Answer:

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A piece of wood on top of an ocean wave stays in the same location, only moving up and down as the wave passes. It is energy tha
Ierofanga [76]

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Yes, this is true.

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8 0
3 years ago
A sample of gas has a volume of 215 cm3 at 23.5 °c and 84.6 kpa. what volume (cm3 will the gas occupy at stp
Dafna11 [192]
The answer is 165.3 cm³.

P1 * V1 / T1 = P2 * V2 / T2

The initial sample:
P1 = 84.6 kPa
V1 = 215 cm³
T1 = 23.5°C = 23.5 + 273 K = 296.5 K

At STP:
P2 = 101.3 kPa
V2 = ?
T2 = 273 K

Therefore:
84.6 * 215 / 296.5 = 101.3 * V2 / 273
61.34 = 101.3 * V2 / 273
V2 = 61.34 * 273 / 101.3
V2 = 165.3 cm³
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