Answer:
An energy pyramid shows the flow of energy at each trophic level in an ecosystem. A pyramid shape is used because energy is lost at each trophic level when organisms use it up.
Explanation:
60 i believe i haven't did science in a while sorry if im wrong though... ._.
The only cause we know of that could shift the spectrum of a source toward longer wavelengths isthe source moving away from us. That's how we interpret the red shift when we see it, and that's where the whole idea of the expanding universe comes from. But ... just like gravity and the Earth going around the sun ... it can't be proved, so it's "only a theory".
Newton's third law states that if a force is exerted on an object, the object exerts a force<span> back.
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It’s either A or B, Sorry, I’m really not sure..
