In an experiment, using the elodea stalk, you are able to expose more underlying tissue and the process can be executed more quickly and it's easy to replicate the natural position for a more realistic result.
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Answer:
The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. Since our planet and its atmosphere form a closed environment, the amount of carbon in this system does not change.
Explanation:
Decomposers don't obtain energy, they release it into the environment.
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Answer: Gathered food was stored
Explanation: An important characteristic of the earliest permanent human settlements was that gathered food was stored. This allowed the settlements to survive better through harsh times, such as the winter. Also, by storing food less, hunters were needed for the settlement, and individuals began to focus and learn other trades to advance with civilization.