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sammy [17]
3 years ago
14

Where does energy originate ina food web

Physics
2 answers:
Vesnalui [34]3 years ago
6 0

Answer:

In a food web the energy is originated through the sun or star.

ValentinkaMS [17]3 years ago
4 0

\huge{\underline{\underline{\red{Answer}}}}

In a food web the energy is originated from the SUN.

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What is the frequency of a wave that has a wavelength of 0.39 m and a speed
gogolik [260]

Answer:

<h3>The answer is option B</h3>

Explanation:

The frequency of a wave can be found by using the formula

f =  \frac{c}{ \lambda}  \\

where

c is the velocity

From the question

wavelength = 0.39 m

c = 86 m/s

We have

f =  \frac{86}{0.39}  \\  = 220.512820...

We have the final answer as

<h3>200 Hz</h3>

Hope this helps you

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4 years ago
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3 years ago
An unknown element is found to have two naturally occurring isotopes, 200X and 210X with atomic masses of 200.028 and 210.039 re
Kruka [31]

Answer:

The average atomic mass of X is 206.0346

Explanation:

Atomic mass of 200X = 200.028

% abundance of 200X = 40% = 40/100 = 0.4

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% abundance of 210X = 100% - 40% = 60% = 60/100 = 0.6

Average atomic mass of X = (0.4×200.028) + (0.6×210.039) = 80.0112 + 126.0234 = 206.0346

5 0
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Why are lighter cars allowed to drive on motorways at higher speeds than heavier ones?
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Explanation:

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