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3 years ago

What effect does removing predators have on prey?

2 answers:

Studentka2010 [4]3 years ago

4 0

It is not good biodiversity and it doesn't allow there to be like fights and then one will suffer because they can not consume something which can lead to a shortage of species but it can also be good for the other prey because it allows them to expand their species and be peaceful and have a good life

Lana71 [14]3 years ago

3 0

What effect does removing predators have on prey?

:It means that as they are removed the predators go hungry and they could become extinct.

Hope I helped!

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Which of the following is not a correct chemical equation for a double displacement reaction? (D?)

emmasim [6.3K]

The correct answer would be the last option. A double displacement type of reaction involves the switching of places the cations and anions accordingly. The given reaction is erroneous since in the product side the anions and cations are being paired which would not make sense. The correct reaction should be

4NaBr + Co(SO3)2 yields <span>CoBr4 + 2Na2SO3</span>

6 0

4 years ago

8. What volume (ml) of a 5.45 M lead nitrate solution must be diluted to 820.7 ml to make a

Ganezh [65]

212 ml of lead nitrate is required to prepare a dilute solution of 820.7 ml of lead nitrate.

Answer:

Option A.

Explanation:

Similar to Avagadro's law, there is another law termed as dilution law. As the product of volume and normality of the reactant is equal to the product of volume and normality of the product from the Avagadro's law. In dilution law, it will be as product of volume and concentration of the solute of the reactant is equal to the product of volume and concentration of solution.

$C_{1} V_{1} =C_{2} V_{2}$

So, as per the given question C1 = 5.45 M of lead nitrate and V1 has to be found. While C2 is 1.41 M of lead nitrate and V2 is 820.7 ml.

Then, $(5.45*V_{1} ) = (820.7*1.41)$

$V_{1}=\frac{820.7*1.41}{5.45}= 212.33 ml$

So nearly 212 ml of lead nitrate is required to prepare a dilute solution of 820.7 ml of lead nitrate.

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3 years ago

Lye is a common ingredient in drain cleaning products. It is made of one atom of sodium, one atom of oxygen, and one atom of hyd

il63 [147K]

The answer would be NaOH

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3 years ago

The most common source of radiation is Radon <br><br> True or false

CaHeK987 [17]

Radon is a naturally occurring radioactive gas. It comes from radioactive decay of uranium.

It is usually found in igneous rock and soil, but in some cases, well water can also be a source of radon.

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3 years ago

A sample of marble has a volume of 6 cm and a density of 2.76 g/cm3. What is its mass?

Alexus [3.1K]

Answer:

16.56g

Explanation:

d=m/v

2.76=m/6

2.76*6=m

16.56=m

m=16.56g

3 0

3 years ago