Darwin first began to formulate his concept of evolution by natural selection after

yes its like the dead sea which is full of salt which makes you stay afloat

so yes an egg will float in salt

i think that you are smart and you should fit for it out

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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.

c. heat from the poles back down towards the equator.