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marishachu [46]
3 years ago
5

Central nervous system depressants include: 1. sedatives 2. tranquilizers 3. antidepressants 4. both 1 and 2

Biology
1 answer:
goldfiish [28.3K]3 years ago
4 0
The answer is 4. both 1 and 2
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A car traveling at 60 mph has how much more energy than a car going at 20 mph? K.E. increases by a factor of there is no increas
inn [45]

Answer:

Assuming that the masses of the cars are the same

9 times

Explanation:

Kinetic energy can be computed using the formula:

KE = \dfrac{mv^{2}}{2}

Where:

KE = Kinetic energy

m = mass

v = velocity

As you can see in your problem, the velocity of the the first car mentioned is 3 times faster.

Looking at the the formula, velocity is raised to two (2). So if we put it in terms of equations this is how it will look:

Let v = velocity of the slower car

Car 1: velocity = (3v)

KE=\dfrac{mv^{2}}{2}

KE=\dfrac{(m)(3v)^{2}}{2}

KE=\dfrac{(m)9v^{2}}{2}

The increase is by a factor of 9.

6 0
3 years ago
Density is a measure of how much what there is in a volume of a substance
Ierofanga [76]

Answer:

Density is defined as the relationship between the mass and volume of a substance

Explanation:

Density is defined as the relationship between the mass and volume of a substance. A unit of measurement can be g / ml. The greater the mass of the substance, the greater the density value

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3 years ago
A farmer found that caterpillars were eating his corn. He sprayed his field with pesticide to kill them. For the first three yea
Eduardwww [97]

The caterpillar population will develop resistance to the pesticide if any of them survived it because they were genetically different from the rest.

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4 years ago
In what ways are restoring sand dunes beneficial?
wlad13 [49]

Answer:

Sand Dunes serve an important purpose by protecting inland areas from coastal water intrusion. They are able to absorb the impact and protect inland areas from high energy storms and act as a resilient barrier to the destructive forces of wind and waves.

Explanation:

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Which organism was most likely to live at the same time as brachiopods?
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