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# If current birth and death rates remain constant the world's population will double in how many years?

Updated: 11/1/2022

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14y ago

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Q: If current birth and death rates remain constant the world's population will double in how many years?
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### If current birth rates and death rates remain constant the worlds population will double in?

It won't, hopefully. It's expected to rise from today's 7.2 billion to 11bn in the next century but to slow to a halt as birth rates fall to replacement level.

### What is a situation in which allele frequencies remain constant?

Equal fitness in a population

### How can in series connection current remain constant while the voltage change while by ohm's law voltage is directly proportional to current?

If the voltage between the ends of a series circuit changes, the current in thecircuit definitely does not remain constant. The current does change by the samefactor as the voltage.The current at every point in the series circuit is the same current.

### What does it mean for a population to be in genetic equilibrium?

A population is in genetic equilibrium when allele frequencies remain constant over generations, indicating that there is no evolution occurring. This suggests that the population is not experiencing any genetic drift, gene flow, mutations, or natural selection.

### If the birth rate equals the death rate then the is what?

The overall growth rate of the general population is stagnant .

### What will happen if you pass dc current through a single coil?

If dc current is passed through a single coil, it is going to remain constant.

### How does current affects voltage?

In common, any application if voltage is increased current will be the small amount. at the same if voltage Decreased current will be increased...AnswerAccording to Ohm's Law, 'the current flowing through a conductor is directly proportional to the applied voltage, provided certain conditions, such as temperature, remain constant'. So if you double the voltage, the resulting current will double; if you halve the voltage, the current will halve.

### What happens when you halve the resistance in a circuit when voltage remain constant?

Since resistance is the ratio of voltage to current, we can say that halving the resistance will result in twice the current.

### What must be true for a population to remain constant over time?

For a population to remain constant over time, the birth rate must equal the death rate, ensuring that the number of individuals being born is equal to the number of individuals dying. Additionally, there should be no migration in or out of the population, as this can also impact population size.

### How can you select the current values for welding?

The amount of current (amps) is controlled by the user. It's done with a variable resistor. Another thing to note is whether you are welding constant current or constant voltage. If you are welding constant current, the voltage will vary and a set Amp measure will remain constant. With constant voltage, the current will vary and that's determined by the resistance. Constant voltage should be an easier set up. I'm not 100% sure but most stick welding is constant current, which is why increasing the arc length produces more heat, because more arc length should increase the resistance, which would cause the welding machine to increase voltage to keep the current constant.

### Can you replace a formula with its function so it can remain constant?

No but if you replace a constant with a function it will remain a formula

### What happens to the current flowing in a circuit if its resistance is doubled?

Using Ohms Law: V = I x R, where V (Voltage), I (Current), and R (Resistance). re-arranging: V/R = I Therefore if you double both the Voltage and the Resistance, the current remains unchanged.Current = Voltage / Resistance. If both resistance and voltage double the current remains the same.