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Tanzania [10]
3 years ago
5

What class of organism is vital in the recycling of nutrients in the ecosystem?

Chemistry
1 answer:
asambeis [7]3 years ago
6 0
I believe that would be a decomposer
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Which substance is a gas at 20˚C and one atmosphere of pressure? A. C B. O3 C. Ca D. I2
jasenka [17]

Answer:

O3

Explanation:

The answer to the question is O3 .

Hope this helped! Have an amazing day :)

3 0
3 years ago
Which is a balanced chemical equation? A. C7H16 + 5O2 6CO2 + 4H2O B. C7H16 + 11O2 7CO2 + 8H2O C. C7H16 + 14O2 7CO2 +5H2O D. C7H1
nadya68 [22]

Answer:

\boxed{\text{B.}}

Explanation:

B.

\rm C$_7$H_{16}$ + 11O$_2$ $\longrightarrow \,$ 7CO$_2$ + 8H$_2$O

BALANCED. 7C, 16H, and 22O on each side of equation.

A.

\rm C$_7$H$_{16}$ + 5O$_2$ $\longrightarrow \,\rm 6CO$_2$ + 4H$_2$O

NOT BALANCED. 7C on left and 6C on right.

C.

\rm C$_7$H$_{16}$ + 14O$_2$ $\longrightarrow \,$ 7CO$_2$ + 5H$_2$O

NOT BALANCED. 16H on left and 10H on right.

D.

\rm C$_7$H$_{16}$ + 22O$_2$ $\longrightarrow \, $ 14CO$_2$ + 16H$_2$O

NOT BALANCED. 7C on left and 14C on right.

3 0
3 years ago
A book is sitting on a desk. The area of contact between the book and the desk is 0.06 m2 of the body's weight is 30 N what is t
tekilochka [14]

Answer:

500N/m²

Explanation:

The Pressure can be calculated using the formula:

P = F/A

Where;

F = force (N)

A = Area (m²)

Based on the information provided in the question, F = 30N, A = 0.06m²

P = F/A

P = 30/0.06

P = 500N/m²

7 0
3 years ago
How many valence electrons does an atom of any element in group 6a have *?
snow_lady [41]
They have 6 valance electrons.
5 0
3 years ago
Read 2 more answers
Track runner will all cover the same distance. The winner will take
joja [24]

Answer:

This question sadly does not make much sense, please rephrase it.

3 0
3 years ago
Read 2 more answers
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