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Delvig [45]
2 years ago
6

If you took a cross-section of soil from your backyard, what would be the correct order of soil layers from top to bottom? paren

t rock, subsoil, topsoil, humus topsoil, humus, subsoil, parent rock humus, topsoil, subsoil, parent rock, subsoil, hummus, topsoil
Chemistry
2 answers:
babunello [35]2 years ago
6 0

Answer:

humus, topsoil, subsoil, parent rock

it's the correct answer

trust me

AlladinOne [14]2 years ago
3 0

humus, topsoil, subsoil, parent rock

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Who discovered significance of 6.022 x 10 to the 23 power
Masja [62]
6.02 x 10^23 is Alvogrado's number (Amedio Alvogrado is the name). This formula is determined to find the amount of particles within a substance by a mole.
I hope this helps!
6 0
2 years ago
A sample of gas occupies 10 L at STP. What
puteri [66]

Pressure is 5.7 atm

<u>Explanation:</u>

P1 = Standard pressure = 1 atm

P2 = ?  

V1 = Volume = 10L

V2= 2.4L

T1 = 0°C + 273 K = 273 K

T2 = 100°C + 273 K = 373 K

We have to find the pressure of the gas, by using the gas formula as,

$\frac{P 1 V 1}{T 1}=\frac{P 2 V 2}{T 2}

P2 can be found by rewriting the above expression as,

$P 2=\frac{P 1 \times V 1 \times T 2}{T 1 \times V 2}

Plugin the above values as,

$P 2=\frac{1 \text {atm} \times 10 L \times 373 \mathrm{K}}{273 \mathrm{K} \times 2.4 \mathrm{L}}=5.7 \text { atm }

4 0
3 years ago
7. A cyclist starting from rest accelerates at a rate of 6 m/s until she reaches 30 m/s. How long
Hunter-Best [27]

Answer:

Explanation:

The given values are:

a= 6m/s²

u= 0 m/s

v = 30 m/s

t= ?

The formula is :

a=\frac{v-u}{t}

thus,

t=\frac{v-u}{a}\\t=\frac{30-0}{6}\\t= 5 seconds

4 0
3 years ago
What is the difference between a simile and a metaphor?
Gennadij [26K]
A simile is a comparison using "as" or "like" and a metaphor is a comparison without using "like" or "as"
4 0
3 years ago
Read 2 more answers
Why does sawdust burn faster than logs.
Scilla [17]

Answer:

B. Smaller Particles

Explanation:

We know that the rate of reaction increases with increase in the surface area of reactants.

The reacting particles in the log of wood are embedded inside the wood making only very minimal amount of particles available for reaction. This  ultimately slows down the rate of combustion.

However, in saw dust, there is a greater availability of surface area of reactants hence the sawdust burns faster than logs.

7 0
2 years ago
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