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Andrei [34K]
3 years ago
14

a consumer get a utility bill that shows a usage of 250krwh for the previous month. how much energy did she use in each mounth

Biology
2 answers:
SVETLANKA909090 [29]3 years ago
8 0
Are you talking about fast something is moving?
alexandr402 [8]3 years ago
5 0

Answer:

900,000,000 Joules

Explanation:

Power is the rate of using energy, which is measured in Watts, where 1 Watt=1 Joule per second (1W=1 J /s ). So 1 kWhr = 1000  J /s  x 3600s or 3,600,000 Joules. 1 kiloWatt = 1000 Watts, so 250 kWhr = 250 x 3,600,000 J = 900,000,000 Joules

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djyliett [7]

Answer:

B. Produce cells that are genetically identical to one another

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2 years ago
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How does a diversity of organisms increase the chances that some will survive a major change in environment ?
Slav-nsk [51]
<h2>Answer:</h2>

This can be explained with an example.

Let’s lake an example of two species 1 and 2.

Species 1 has a wide genetic diversity due to which organism are also diverse in phenotype. Their phenotype are:  

Black, dark brown, brown, dark red, red, light red, pink, skin color.

From left to right organism are becoming less adapted to high temperature relatively.

For species 2:  This species has less genetic diversity and its phenotypic diversity is as follow:

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Now if there is the sudden high temperature in the environment; 4 Types of phenotype will survive are black, dark brown, brown, dark red.

While there will only two types of organism in specie 2 which will survive are black, red.

So that’s how the diversity of organisms increase the chances that some will survive a major change in environment.


7 0
3 years ago
An 18,000-watt radio station transmits at 680 kHz. Determine the number of joules transmitted per second.
valina [46]
A watt IS by definition a J/s so and so an 18000 W station will use 18000 J/s so it is C
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Which of these anatomical terms refers to the ankle?
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Tarsal

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Density is mass per unit of volume. Which pair of lab instruments would a student use to measure the density of seawater?
expeople1 [14]

Answer

a balance and a graduated cylinder

Explanation

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For a student to measure the density of seawater  he/she is required to use a balance and a graduated cylinder where a balance will be used to measure the mass of the mineral sample  and then a graduated cylinder to determine the volume.


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