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Lana71 [14]
3 years ago
7

Which best describes the role of a secondary consumer in a food web?

Chemistry
2 answers:
podryga [215]3 years ago
8 0

Answer:

<u> Carnivore that feeds on primary consumers</u>

:)

Mamont248 [21]3 years ago
3 0
Secondary consumers in a food web are carnivores that feed on primary consumers. Consumers are organisms that receive energy by eating other organisms. Specifically, primary consumers are those that feed on producers. Producers are those that are able to produce their own food, like plants. Meanwhile, secondary consumers, like humans, eat primary consumers such as cows. 
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Ilya [14]

Answer:

option b is correct

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4 0
2 years ago
Read 2 more answers
What expression approximates the volume of O2 consumed, measure at STP, when 55 g of Al reacts completely with excess O2?2 Al(s)
Genrish500 [490]

Answer:

34.28 L ( 1.5*22.4 L)

Explanation:

Calculation of the moles of aluminum as:-

Mass = 55 g

Molar mass of aluminum = 26.981539 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus,

Moles= \frac{55\ g}{26.981539\ g/mol}

Moles= 2.0384\ mol

According to the reaction:-

4Al+3O_2\rightarrow 2Al_2O_3

4 moles of aluminum react with 3 moles of oxygen gas

1 mole of aluminum react with \frac{3}{4} moles of oxygen gas

2.0384 moles of aluminum react with \frac{3}{4}\times 2.0384 moles of oxygen gas

Moles of oxygen gas = 1.5288 moles

At STP,  

Pressure = 1 atm  

Temperature = 273.15 K

Using ideal gas equation as:

PV=nRT

where,

P is the pressure

V is the volume

n is the number of moles

T is the temperature

R is Gas constant having value = 0.0821 L.atm/K.mol

Applying the equation as:

1 atm × V = 1.5288 mol × 0.0821 L.atm/K.mol × 273.15 K

⇒V = 34.28 L ( 1.5*22.4 L)

7 0
3 years ago
The ________________and ______________ of magma cause igneous rocks to form.
LekaFEV [45]

Answer:

The solidifying/cooling and crystallizing of magma causes igneous rocks to form.

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2 years ago
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Newtons second law of motion states that
insens350 [35]

Answer:

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