<span>(you already have the answer)
An elevated ridge of cerebral tissue inward folds of cerebral tissue is called a GYRUS.
Gyrus are usually surrounded by sulci( depressions).
</span>They exist because it allows the human, and other mammalian brains, to have <span>a larger surface area. Since the brain is confined to the skull and the that space is limited
this will allow more cortical surface
area, and greater cognitive function to exist. </span>
Carbon<span> is exchanged, or "cycled" among Earth's oceans, atmosphere, ecosystem, and geosphere. All living organisms are built of </span>carbon<span> compounds. It is the fundamental building block of life and an</span>important<span> component of many chemical processes.</span>
June 28, 1978 NASA launched it
A cell speed approximately
"10% or less" or option A in the M phase of a cycle of a cell. M phase the part of the cell cycle<span> during which mitosis occurs which is when they divide the twenty-four chromosomes to make sex cells. Twelve from your Father, Twelve from your Mother.
Hope this helps!
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