Babies born before their due date
(premature) often have many
complications, and babies born after
their due date (post-mature) can be
stillborn or die shortly after birth.

a. by using fur or clothes to trap heat energy near the body

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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.

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.

the answer u all are looking for is 4000000000000000000000 million years.