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kozerog [31]
2 years ago
10

How can a change to another population could affect births and deaths in the parrot population.

Chemistry
1 answer:
forsale [732]2 years ago
6 0

Answer:

read it first

Explanation:

Population change is governed by the balance between birth rates and death rates. If the birth rate stays the same and the death rate decreases, then population numbers will grow. If the birth rate increases and the death rate stays the same, then population will also grow.

hope it helps

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The minimum amount of methyl benzoate needed to trigger an alert for a drug dog is on the order of:
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To trigger a drug-dog alert, the necessary threshold level would be around 1 to 10 micrograms of methyl benzoate.

 

In the 1999 Furton study, it was stated that it would take 500 milligrams of cocaine in order to emit 1 to 10 micrograms of Methyl Benzoate.

 

A colorless liquid that is poorly soluble in water is one of the properties of <span>methyl benzoate.</span>

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3 years ago
Before the Internet, it was easier for small businesses to do business on a global scale. Choose the answer.
Umnica [9.8K]
I think it’s false ......
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2 years ago
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How many moles of Fe contains 3.41 x 1023 Fe atoms?
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Answer:

Explanation:

28个

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3 years ago
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a compound has a percent compostion of carbon equal to 48.8383%, hydrogen equal to 8.1636%, and oxygen equal to 43.1981%. what i
Margarita [4]

Answer:

C₂H₃O

Explanation:

From the question given above, the following data were obtained:

Carbon (C) = 48.8383%

Hydrogen (H) = 8.1636%

Oxygen (O) = 43.1981%

Empirical formula =?

The empirical formula of the compound can be obtained as follow:

C = 48.8383%

H = 8.1636%

O = 43.1981%

Divide by their molar mass

C = 48.8383 / 12 = 4.07

H = 8.1636 / 1 = 8.1636

O = 43.1981 / 16 = 2.7

Divide by the smallest

C = 4.07 / 2.7 = 2

H = 8.1636 / 2.7 = 3

O = 2.7 /2.7 = 1

Thus, the empirical formula of the compound is C₂H₃O

8 0
3 years ago
Carbon-14 has a half-life of 5720 years and this is a first order reaction. If a piece of wood has converted 75% of the carbon-1
liraira [26]

Answer: 1145.8 years

Explanation:

Half-life of carbon-14 = 5720 years

First we have to calculate the rate constant, we use the formula :

k=\frac{0.693}{5720\text{years}}

k=1.21\times 10^{-4}\text{years}^{-1}

Now we have to calculate the age of the sample:

Expression for rate law for first order kinetics is given by:

t=\frac{2.303}{k}\log\frac{a}{a-x}

where,

k = rate constant  = 1.21\times 10^{-4}\text{years}^{-1}

t = age of sample  = ?

a = let initial amount of the reactant  = 100 g

x = amount decayed = 75 g

a - x = amount left after decay process  = 100 - 75 = 25g

Now put all the given values in above equation, we get

t==\frac{2.303}{1.21\times 10^{-4}}\log\frac{100}{25}

t=1145.8years

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3 years ago
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