Explain why food chains do not tend to exceed four links.

1 answer:

3 0

Energy is "lost" at each trophic level when you go up the chain. <span> Typically there are fewer organisms at higher trophic levels.

Hope this helps!</span>

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A proton travels at a speed of 2.0 × 106 meters/second. Its velocity is at right angles with a magnetic field of strength 5.5 ×

Finger [1]

So here we are given that the the velocity of the proton ( V ) is 2.0 × $10^6$ meters / second, with a magnetic field of strength 5.5 × $10^{-3}$ tesla. If they each form a right angle, they are hence perpendicular to one another, such that ....

F = q( V × B ),

F = q v B( sin ∅ ),

F = q v B( sin( 90 ) )

.... they form the following formula. Let's go through each of the variables in our formula here -

{ F = Magnetic Force ( which has to be calculated ), q = charge of proton (has charge of 1.602 × $10^{19}$ coulombs ), B = magnetic field }

All we have to do now is plug and chug,

F = ( 1.602 × $10^{19}$ )( 2.0 × $10^6$ )( 5.5 × $10^{-3}$ ) = ( About ) 1.8 × $10^{-15}$ Newtons

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3 years ago

You produce 500 ml of a 0.001 m hclo4, which ionizes completely in water. What is the ph you should expect?

Alina [70]

Answer:

pH+3.0 normality

Explanation:

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10 months ago

How many total moles of ions are released when each of the following dissolves in water?

EleoNora [17]

we have a total of three times the original number (6.923 * 10**-7) moles of all ions, or 2.077 * 10**-6 moles of ions

<h3>What is aragonite-strontianite solid solution dissolution in nonstoichiometric Sr (HCO3)2 solutions?</h3>

Synthetic strontianite-aragonite solid-solution minerals were dissolved in non-stoichiometric CO2-saturated Sr(HCO3)2 and Ca(HCO3)2 solutions at 25°C. The reactions in Sr(HCO3)2 solutions frequently become incongruent, precipitating a Sr-rich phase before attaining stoichiometric saturation. Mechanical mixes of solids approach stoichiometric saturation in terms of the least stable solid in the combination.

This surficial phase has a thickness of 0-10 atomic layers in Sr(HCO3)2 solutions and a thickness of 0-4 layers in Ca(HCO3)2 solutions and dissolves and/or recrystallizes within 6 minutes of reaction.

learn more about Sr (HCO3)2 refer

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1 year ago

Which of the following happen because of an increase in thermal energy/temperature? (Select all that apply)

swat32

A b c , i think ...

7 0

2 years ago

Read 2 more answers

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