Plants that reproduce sexually generate seeds. These seeds are often dispersed away from the parent, either through wind , animals , or water. Look at the seed shown in this image of bullrush plants. What form of dispersal do you think it uses, and why ? Can anyone help me in this question
Help!!!

wind/water either one.

Explanation:

It can reproduce from rhizomes or seed and uses the wind and water to disperse its seeds.

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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.