Scientists are concerned about bee species dying off. They are pollinators, and if they are gone, many plant species will die off because they cannot reproduce. This will cause a population crash. What will happen to biodiversity and sustainability as a result? NO LINKS OR I WILL FLIP YOU OFF

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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.

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.