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2 years ago

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

2 answers:

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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Which statement best explains the net transfer of energy that is about to

ArbitrLikvidat [17]

Answer:

Explanation:

B I got it right

8 0

2 years ago

Read 2 more answers

At standard ambient temperature and pressure (SATP), a gas has density of 1.5328g/L. What is the molar mass of the gas?

ahrayia [7]

The standard ambient temperature and pressure are

Temperature =298 K

Pressure = 1atm

The density of gas is 1.5328 g/L

density = mass of gas per unit volume

the ideal gas equation is

PV = nRT

P = pressure = 1 atm

V = volume

n = moles

R= gas constant = 0.0821 Latm/mol K

T = 298 K

moles = mass / molar mass

so we can write

n/V = density / molar mass

Putting values

$Pressure=\frac{nRT}{V}=\frac{massXRT}{VXmolarmass}$

$Pressure=\frac{densityXRT}{molarmass}$

$molarmass=\frac{densityXRT}{Pressure}=\frac{1.5328X0.0821X298}{1}=37.50$

Thus molar mass of gas is 37.50g/mol

6 0

3 years ago

A. Draw a graph that shows the relative concentration of BTB from the center of the

rosijanka [135]

Answer:

did you get the answer???

Explanation:

I really need help

6 0

2 years ago

If ms2 is 40.06% sulfur by mass, what is the identity of the metal m?

musickatia [10]

Answer:

The mass percent refers to the mass of an element in a compound. It is one of the ways of expressing concentration. The mass percent of the solution provides the percentage of the amount of solute present in grams of solution.

The mass percentage of S=40.06 % and the molar mass of S= 32. By applying the formula of mass percent,we can calculate the molar mass of M.

The molar mass of M=159.76-64=95.76

We know that the element of molybdenum has molar mass of 96. Therefore, the element M is <u>Molybdenum.</u>

4 0

2 years ago

Which model of the atom is most accurate?

cricket20 [7]

Answer:

it's the electron cloud model

3 0

2 years ago