How do plants and animals grow if no new matter is added to the system?

there really is life in the deepest part

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

hope this any more questions i am here plz mark brainliest

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex

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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.