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yuradex [85]
3 years ago
8

In Africa, as the crocodile lies with its mouth open, the plover, or crocodile bird, flies into its mouth and feeds on bits of m

eat stuck in the crocodile’s teeth. The crocodile does not harm the plover. The plover gets a meal and the crocodile gets his teeth cleaned. Describe the dynamics of this relationship.
A) It is a mutualistic relationship because both animals benefit; neither animal is harmed.
B) It is a symbiotic relationship because the plover benefits from the meat in the crocodile's teeth..
C) The crocodile is a predator. The plover is a parasite. There are two relationships illustrated by this dynamic.
D) It is an example of commensalism because the plover benefits from the relationship while the crocodile is neither helped or harmed.
Chemistry
2 answers:
ruslelena [56]3 years ago
6 0

NO!

Crocodiles do not eat Plovers. They only prey on larger birds like the Maribou Stork, or birds that are not quick enough to realize that they are being stalked.

So yes, A.

nikklg [1K]3 years ago
4 0

Answer:

The answer is a cuz the plover got a meal for free and the crocodile gets his teeth cleaned for free.

Explanation:

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Consider the balanced equation below. 4nh3 3o2 right arrow. 2n2 6h2o what is the mole ratio of nh3 to n2? 2:4 4:2 4:4 7:2
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The required mole ratio of  NH₃ to N₂ in the given chemical reaction is 2:4.

<h3>What is the stoichiometry?</h3>

Stoichiometry of the reaction gives idea about the number of entities present on the reaction before and after the reaction.

Given chemical reaction is:

4NH₃ + 3O₂ → 2N₂ + 6H₂O

From the stoichiometry of the reaction it is clear that:

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2 years ago
Un mol de amoniaco Tiene una masa molar de 17 g y ocupa un volumen de 22.4 l qué volumen ocupa el 50 g amoniaco en condiciones n
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Answer:

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Explanation:

En este caso, debemos usar la expresión para los gases ideales, la cual es la siguiente:

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Donde:

P: Presion (atm)

V: Volumen (L)

n: moles

R: constante de gases (0.082 L atm / mol K)

T: Temperatura (K)

De ahí, despejando el volumen tenemos:

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Sin embargo como estamos hablando de condiciones normales de temperatura y presión, significa que estamos trabajando a 0° C (o 273 K) y 1 atm de presión. Lo que debemos hacer primero, es calcular los moles que hay en 50 g de amoníaco, usando su masa molar de 17 g/mol:

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V = 2.94 * 0.082 * 273 / 1

<h2>V = 65.81 L</h2>
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