There are many similarities between ecosystems and biomes. Which of the following are true about these two types of environments? Select all.
that apply.

They both have interacting populations.
They both contain animal communities.
They both include abiotic factors.
They are roughly the same size.
They both contain multiple species.

hello which   of the following there is nothing!

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.