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2 years ago

5

Can you have an ecosystem without plants? EXPLAIN YOUR ANSWER!!

2 answers:

Akimi4 [234]2 years ago

8 0

Ok so I just looked this up so please don’t come at me if it’s wrong,

“Generally, no. Even in the open ocean (pelagic environments) you have phytoplankton on the bottom rung. What are phytoplankton? But there are certainly examples of non plant based ecosystems… they're just less common.”

I’m so sorry if this doesn’t help

Deffense [45]2 years ago

7 0

Answer:No

Explanation: Because without plants, animals would have no oxygen to breathe and would die. People also depend on plants for food. All animals eat either plants or plant-eating animals. Without plants there would be no food at all.

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-(x+23)=34 find x<br>-(2-3)+(2+3)<br>

Elina [12.6K]

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2 years ago

A sample of oxygen gas in one container has a volume of 20.0mililiter at 297 K and 101.3 kPa. The entire sample is transferred t

VashaNatasha [74]

Answer: $V_2=\frac{101.3kPa\times 20.0ml\times 283K}{297K\times 94.6kPa}$

Explanation:

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,:

$\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}$

$V_2=\frac{P_1V_1T_2}{T_1P_2}$

where,

$P_1$ = initial pressure of gas = 101.3 kPa

$P_2$ = final pressure of gas = 94.6 kPa

$V_1$ = initial volume of gas = 20.0 ml

$V_2$ = final volume of gas = ?

$T_1$ = initial temperature of gas = $297K$

$T_2$ = final temperature of gas = $283K$

Now put all the given values in the above equation, we get the final volume of gas.

$V_2=\frac{101.3kPa\times 20.0ml\times 283K}{297K\times 94.6kPa}$

$V_2=20.4ml$

Thus the correct numerical setup for calculating the new volume is $\frac{101.3kPa\times 20.0ml\times 283K}{297K\times 94.6kPa}$

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3 years ago

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vladimir2022 [97]

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3 years ago

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Anarel [89]

False

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2 years ago

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raketka [301]

#b

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#e

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2 years ago