PPP
3 As a coral scientist, you have recently been sent a core sample from the Great Barrier Reef in
Australia. Comparing the oldest portion of the coral sample with the newest, you discover that
the oldest pieces of coral contain only 60% of the "C contained in the modern sample. Using that
information, estimate how old this portion of the reef is and discuss your reasoning.

hello there,

guys i’m confused.

which rock will weather faster?

answer: b rock

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]

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