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3 years ago

The colision of two plates causes the fomation of _____ mountain

Chemistry

1 answer:

Zanzabum3 years ago

3 0

The collision of two plates causes the formation of fold mountains.

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Andrew walks through his garden and observes that the shapes of dewdrops are not always the same. Suppose he wants to investigat

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Answer: A, C, E

Explanation: PLATO. all testable questions.

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3 years ago

About 75% of living matter is made up of which two essential chemicals?

lions [1.4K]

calcium,phosphorus,potassium,and sulfer

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3 years ago

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8. The time period of artificial satellite in a circular orbit of radius R is T. The radius of the orbit in which time period is

Elena-2011 [213]

Explanation:

It is given that,

The time period of artificial satellite in a circular orbit of radius R is T. The relation between the time period and the radius is given by :

$T^2\propto R^3$

The radius of the orbit in which time period is 8T is R'. So, the relation is given by :

$(\dfrac{T}{T'})^2=(\dfrac{R}{R'})^3$

$(\dfrac{T}{8T})^2=(\dfrac{R}{R'})^3$

$\dfrac{1}{64}=(\dfrac{R}{R'})^3$

$R'=4\times R$

So, the radius of the orbit in which time period is 8T is 4R. Hence, this is the required solution.

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3 years ago

How do dominant and recessive traits impact genotype and phenotype?

beks73 [17]

The phenotype depends on the dominant allele. Only people with aa genotype will express recessive traits. Hope this helped!

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3 years ago

You are given a solution that is 518 mM lactose. You need to make up 4.5 L of 16.7 mM solution. What volume do you need to trans

OLga [1]

Answer:

The volume you need to transfer from the stock solution is 0.145 l

Explanation:

Since the number of moles of lactose in the volume of stock solution that you transfer will be the same as the number of moles of lactose in the final solution, you can use this expression:

number of moles in volume to transfer = number of moles in the final solution

Since number of moles = concentration * volume (if the concentration is expressed in molarity), then:

Ci * Vi = Cf * Vf

where:

Ci = concentration of the stock solution.

Vi = volume of the stock solution to be transferred.

Cf = concentration of the final solution

Vf = volume of the final solution

Then, replacing with the data:

518 mM * Vi = 16.7 mM * 4.5 l

Vi = 16.7 mM * 4.5 l / 518 mM

Notice that any concentration unit can be used, as long as the units of the concentration of the stock and final solution are the same.

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3 years ago