3.what recommendations would you give to the global governments to decrease the global effects of human impact on the environment? list 2 recommendations and how they will positively impact our planet.

Governments should minimize the use of bio-fuels and empress green energy. These will reduce the amount of carbon monoxide and other harmful substances emitted into the air. They should also advise and enforce their citizens to use the appropriate kinds of fuel energy to use. For example to avoid burning charcoal and use safer fuels such as bio gas. All these measures will help reduce the global warming effect.

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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.