Which statement best explains one way that a plant maintains homeostasis? A. The plant closes its leaves when it is touched,
B. The plant flowers when the days are long and the nights are short,
C. Hormones cause cells on one side of the plant's stem to grow
longer
D. The plant becomes limp when water is not available

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus

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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.