1 the atmosphere because gas is everywhere.
Circadian rhythms ....its just behavior that is repeated over 24 hours
The continent of Africa is found mostly on the African Plate.
All rock on the ocean floor is less than 180 million years old because <span>reverse polarity removed older rock strips magnetized in a different direction. Also,</span> the oldest parts reach the continental crust and then the ocean floor sinks beneath the continental crust, into the mantle.
