Pyramid of numbers: relative number of individual organisms at each trophic level in an ecosystem. Pyramids of energy show the relative amount of energy available at each trophic level. On average, about 10 percent of the energy available within one trophic level is transferred to the next trophic level.
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I think your talking about refraction and if so the first medium it existed in before entering the second usually has the higher speed especially it the first medium is less denser than the second
Answer:
<h2>6 m/s²</h2>
Explanation:
The acceleration of an object given it's mass and the force acting on it can be found by using the formula

f is the force
m is the mass
From the question we have

We have the final answer as
<h3>6 m/s²</h3>
Hope this helps you
Answer:
0.09221 V/m
Explanation:
= Vacuum permeability = 
P = Power of transmitter = 250 mW
r = Distance to source = 42 m
c = Speed of light = 
= Electric field amplitude
Intensity of a wave is given by

Intensity is also given by

The electric field amplitude at the receiver when it first fails is 0.09221 V/m
Answer:
8-5=3
The bigger force is to the left
3N to the left
Explanation: